564521664160 has 48 divisors (see below), whose sum is σ = 1353588165216. Its totient is φ = 222438382848.

The previous prime is 564521664131. The next prime is 564521664181. The reversal of 564521664160 is 61466125465.

It is a self number, because there is not a number n which added to its sum of digits gives 564521664160.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26319582 + ... + 26341021.

It is an arithmetic number, because the mean of its divisors is an integer number (28199753442).

Almost surely, 2^564521664160 is an apocalyptic number.

It is an amenable number.

564521664160 is an abundant number, since it is smaller than the sum of its proper divisors (789066501056).

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

564521664160 is a wasteful number, since it uses less digits than its factorization.

564521664160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52660685 (or 52660677 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 564521664160 in words is "five hundred sixty-four billion, five hundred twenty-one million, six hundred sixty-four thousand, one hundred sixty".