556037664564 has 48 divisors (see below), whose sum is σ = 1320304789440. Its totient is φ = 182081061120.

The previous prime is 556037664547. The next prime is 556037664569. The reversal of 556037664564 is 465466730655.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556037664569) 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, 783402 + ... + 1313694.

It is an arithmetic number, because the mean of its divisors is an integer number (27506349780).

Almost surely, 2^556037664564 is an apocalyptic number.

It is an amenable number.

556037664564 is an abundant number, since it is smaller than the sum of its proper divisors (764267124876).

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

556037664564 is a wasteful number, since it uses less digits than its factorization.

556037664564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531840 (or 531838 counting only the distinct ones).

The product of its (nonzero) digits is 54432000, while the sum is 57.

The spelling of 556037664564 in words is "five hundred fifty-six billion, thirty-seven million, six hundred sixty-four thousand, five hundred sixty-four".