326632616512513 has 24 divisors (see below), whose sum is σ = 335379975521760. Its totient is φ = 318071745319680.

The previous prime is 326632616512511. The next prime is 326632616512577. The reversal of 326632616512513 is 315215616236623.

It is a happy number.

It is not a de Polignac number, because 326632616512513 - 2¹ = 326632616512511 is a prime.

It is a super-2 number, since 2×326632616512513² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326632616512511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 323429758 + ... + 324438088.

It is an arithmetic number, because the mean of its divisors is an integer number (13974165646740).

Almost surely, 2^{326632616512513} is an apocalyptic number.

It is an amenable number.

326632616512513 is a deficient number, since it is larger than the sum of its proper divisors (8747359009247).

326632616512513 is an equidigital number, since it uses as much as digits as its factorization.

326632616512513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009249 (or 1009176 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 52.

The spelling of 326632616512513 in words is "three hundred twenty-six trillion, six hundred thirty-two billion, six hundred sixteen million, five hundred twelve thousand, five hundred thirteen".