556661056116 has 36 divisors (see below), whose sum is σ = 1427689930016. Its totient is φ = 168685168080.

The previous prime is 556661056097. The next prime is 556661056123. The reversal of 556661056116 is 611650166655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 191686240 + ... + 191689143.

Almost surely, 2^556661056116 is an apocalyptic number.

It is an amenable number.

556661056116 is an abundant number, since it is smaller than the sum of its proper divisors (871028873900).

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

556661056116 is a wasteful number, since it uses less digits than its factorization.

556661056116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383375412 (or 383375399 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 48.

The spelling of 556661056116 in words is "five hundred fifty-six billion, six hundred sixty-one million, fifty-six thousand, one hundred sixteen".