163325256 has 32 divisors (see below), whose sum is σ = 432332640. Its totient is φ = 51239168.

The previous prime is 163325251. The next prime is 163325269. The reversal of 163325256 is 652523361.

It is not an unprimeable number, because it can be changed into a prime (163325251) 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, 199746 + ... + 200561.

It is an arithmetic number, because the mean of its divisors is an integer number (13510395).

Almost surely, 2^163325256 is an apocalyptic number.

It is an amenable number.

163325256 is an abundant number, since it is smaller than the sum of its proper divisors (269007384).

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

163325256 is a wasteful number, since it uses less digits than its factorization.

163325256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400333 (or 400329 counting only the distinct ones).

The product of its digits is 32400, while the sum is 33.

The square root of 163325256 is about 12779.8769947132. The cubic root of 163325256 is about 546.6186549810.

The spelling of 163325256 in words is "one hundred sixty-three million, three hundred twenty-five thousand, two hundred fifty-six".