556595821968 has 80 divisors (see below), whose sum is σ = 1530342069696. Its totient is φ = 173713489920.

The previous prime is 556595821961. The next prime is 556595821979. The reversal of 556595821968 is 869128595655.

It is not an unprimeable number, because it can be changed into a prime (556595821961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1609618 + ... + 1924593.

Almost surely, 2^556595821968 is an apocalyptic number.

It is an amenable number.

556595821968 is an abundant number, since it is smaller than the sum of its proper divisors (973746247728).

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

556595821968 is a wasteful number, since it uses less digits than its factorization.

556595821968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3534432 (or 3534426 counting only the distinct ones).

The product of its digits is 233280000, while the sum is 69.

The spelling of 556595821968 in words is "five hundred fifty-six billion, five hundred ninety-five million, eight hundred twenty-one thousand, nine hundred sixty-eight".