256655625162 has 16 divisors (see below), whose sum is σ = 540327632160. Its totient is φ = 81049144752.

The previous prime is 256655625151. The next prime is 256655625173. The reversal of 256655625162 is 261526556652.

It is an interprime number because it is at equal distance from previous prime (256655625151) and next prime (256655625173).

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, 1125682453 + ... + 1125682680.

It is an arithmetic number, because the mean of its divisors is an integer number (33770477010).

Almost surely, 2^256655625162 is an apocalyptic number.

256655625162 is an abundant number, since it is smaller than the sum of its proper divisors (283672006998).

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

256655625162 is a wasteful number, since it uses less digits than its factorization.

256655625162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251365157.

The product of its digits is 6480000, while the sum is 51.

The spelling of 256655625162 in words is "two hundred fifty-six billion, six hundred fifty-five million, six hundred twenty-five thousand, one hundred sixty-two".