5989556656 has 40 divisors (see below), whose sum is σ = 12397906880. Its totient is φ = 2794803264.

The previous prime is 5989556647. The next prime is 5989556681. The reversal of 5989556656 is 6566559895.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126666 + ... + 167401.

It is an arithmetic number, because the mean of its divisors is an integer number (309947672).

Almost surely, 2^5989556656 is an apocalyptic number.

It is an amenable number.

5989556656 is an abundant number, since it is smaller than the sum of its proper divisors (6408350224).

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

5989556656 is a wasteful number, since it uses less digits than its factorization.

5989556656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294161 (or 294155 counting only the distinct ones).

The product of its digits is 87480000, while the sum is 64.

The square root of 5989556656 is about 77392.2260695478. The cubic root of 5989556656 is about 1816.0657130445.

The spelling of 5989556656 in words is "five billion, nine hundred eighty-nine million, five hundred fifty-six thousand, six hundred fifty-six".