556631163512 has 32 divisors (see below), whose sum is σ = 1046601874800. Its totient is φ = 277538333184.

The previous prime is 556631163509. The next prime is 556631163601. The reversal of 556631163512 is 215361136655.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4434203 + ... + 4558005.

Almost surely, 2^556631163512 is an apocalyptic number.

It is an amenable number.

556631163512 is a deficient number, since it is larger than the sum of its proper divisors (489970711288).

556631163512 is a wasteful number, since it uses less digits than its factorization.

556631163512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125375 (or 125371 counting only the distinct ones).

The product of its digits is 486000, while the sum is 44.

The spelling of 556631163512 in words is "five hundred fifty-six billion, six hundred thirty-one million, one hundred sixty-three thousand, five hundred twelve".