256527164 has 12 divisors (see below), whose sum is σ = 459362904. Its totient is φ = 125280624.

The previous prime is 256527163. The next prime is 256527169. The reversal of 256527164 is 461725652.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256527163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 745547 + ... + 745890.

It is an arithmetic number, because the mean of its divisors is an integer number (38280242).

Almost surely, 2^256527164 is an apocalyptic number.

It is an amenable number.

256527164 is a deficient number, since it is larger than the sum of its proper divisors (202835740).

256527164 is a wasteful number, since it uses less digits than its factorization.

256527164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491484 (or 1491482 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 256527164 is about 16016.4654028284. The cubic root of 256527164 is about 635.3959660691.

The spelling of 256527164 in words is "two hundred fifty-six million, five hundred twenty-seven thousand, one hundred sixty-four".