256017168 has 60 divisors (see below), whose sum is σ = 781633008. Its totient is φ = 77580480.

The previous prime is 256017149. The next prime is 256017193. The reversal of 256017168 is 861710652.

256017168 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79230 + ... + 82397.

Almost surely, 2^256017168 is an apocalyptic number.

It is an amenable number.

256017168 is an abundant number, since it is smaller than the sum of its proper divisors (525615840).

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

256017168 is a wasteful number, since it uses less digits than its factorization.

256017168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161652 (or 161643 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 256017168 is about 16000.5364910055. The cubic root of 256017168 is about 634.9746144811.

The spelling of 256017168 in words is "two hundred fifty-six million, seventeen thousand, one hundred sixty-eight".