2556023162664 has 16 divisors (see below), whose sum is σ = 6390057906720. Its totient is φ = 852007720880.

The previous prime is 2556023162647. The next prime is 2556023162689. The reversal of 2556023162664 is 4662613206552.

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, 53250482532 + ... + 53250482579.

It is an arithmetic number, because the mean of its divisors is an integer number (399378619170).

Almost surely, 2^{2556023162664} is an apocalyptic number.

2556023162664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2556023162664 is an abundant number, since it is smaller than the sum of its proper divisors (3834034744056).

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

2556023162664 is a wasteful number, since it uses less digits than its factorization.

2556023162664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106500965120 (or 106500965116 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 2556023162664 in words is "two trillion, five hundred fifty-six billion, twenty-three million, one hundred sixty-two thousand, six hundred sixty-four".