556464659568 has 20 divisors (see below), whose sum is σ = 1437533704008. Its totient is φ = 185488219840.

The previous prime is 556464659549. The next prime is 556464659591. The reversal of 556464659568 is 865956464655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5796506823 + ... + 5796506918.

Almost surely, 2^556464659568 is an apocalyptic number.

It is an amenable number.

556464659568 is an abundant number, since it is smaller than the sum of its proper divisors (881069044440).

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

556464659568 is a wasteful number, since it uses less digits than its factorization.

556464659568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11593013752 (or 11593013746 counting only the distinct ones).

The product of its digits is 933120000, while the sum is 69.

The spelling of 556464659568 in words is "five hundred fifty-six billion, four hundred sixty-four million, six hundred fifty-nine thousand, five hundred sixty-eight".