256548168 has 32 divisors (see below), whose sum is σ = 712634400. Its totient is φ = 85515984.

The previous prime is 256548161. The next prime is 256548169. The reversal of 256548168 is 861845652.

256548168 is a `hidden beast` number, since 2 + 565 + 4 + 81 + 6 + 8 = 666.

256548168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (256548161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593646 + ... + 594077.

It is an arithmetic number, because the mean of its divisors is an integer number (22269825).

Almost surely, 2^256548168 is an apocalyptic number.

It is an amenable number.

256548168 is an abundant number, since it is smaller than the sum of its proper divisors (456086232).

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

256548168 is a wasteful number, since it uses less digits than its factorization.

256548168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187738 (or 1187728 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 256548168 is about 16017.1210896341. The cubic root of 256548168 is about 635.4133073030.

The spelling of 256548168 in words is "two hundred fifty-six million, five hundred forty-eight thousand, one hundred sixty-eight".