556900163888 has 20 divisors (see below), whose sum is σ = 1079568976080. Its totient is φ = 278301718464.

The previous prime is 556900163851. The next prime is 556900163893. The reversal of 556900163888 is 888361009655.

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, 9241748 + ... + 9301811.

It is an arithmetic number, because the mean of its divisors is an integer number (53978448804).

Almost surely, 2^556900163888 is an apocalyptic number.

It is an amenable number.

556900163888 is a deficient number, since it is larger than the sum of its proper divisors (522668812192).

556900163888 is a wasteful number, since it uses less digits than its factorization.

556900163888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18545444 (or 18545438 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 59.

The spelling of 556900163888 in words is "five hundred fifty-six billion, nine hundred million, one hundred sixty-three thousand, eight hundred eighty-eight".