652865585568256 has 40 divisors (see below), whose sum is σ = 1323925536288960. Its totient is φ = 321560661531648.

The previous prime is 652865585568233. The next prime is 652865585568257.

652865585568256 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 652865585568256.

It is not an unprimeable number, because it can be changed into a prime (652865585568257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9515847016 + ... + 9515915623.

It is an arithmetic number, because the mean of its divisors is an integer number (33098138407224).

Almost surely, 2^{652865585568256} is an apocalyptic number.

It is an amenable number.

652865585568256 is an abundant number, since it is smaller than the sum of its proper divisors (671059950720704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

652865585568256 is an equidigital number, since it uses as much as digits as its factorization.

652865585568256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19031762724 (or 19031762708 counting only the distinct ones).

The product of its digits is 41472000000, while the sum is 82.

The spelling of 652865585568256 in words is "six hundred fifty-two trillion, eight hundred sixty-five billion, five hundred eighty-five million, five hundred sixty-eight thousand, two hundred fifty-six".