amount vs number

amount and number both are nouns.

Word	Noun	Adjective	Verb	Adverb
amount	Yes	No	Yes	No
number	Yes	No	Yes	No

As nouns, number is a hyponym of amount; that is, number is a word with a more specific, narrower meaning than amount:

amount: the relative magnitude of something with reference to a criterion
number: the property possessed by a sum or total or indefinite quantity of units or individuals

As verbs, amount and number are synonyms defined as:

Other synonyms of amount include add up, come, total.

amount (noun)	number (noun)
how much there is or how many there are of something that you can quantify	an item of clothing
the relative magnitude of something with reference to a criterion	the property possessed by a sum or total or indefinite quantity of units or individuals
a quantity obtained by the addition of a group of numbers	a clothing measurement
a quantity of money	one of a series published periodically
	a symbol used to represent a number
	a numeral or string of numerals that is used for identification and may be attached to accounts, memberships, etc.
	the number is used in calling a particular telephone
	a short performance that is part of a longer program
	the grammatical category for the forms of nouns and pronouns and verbs that are used depending on the number of entities involved (singular or dual or plural)
	a numbered item in a series
	a select company of people
	a concept of quantity involving zero and units

amount (verb)	number (verb)
to measure up to in kind or quality	place a limit on the number of
add up in number or quantity	determine the number or amount of
be tantamount or equivalent to	enumerate
	give numbers to
	add up in number or quantity
	put into a group