325553166 has 24 divisors (see below), whose sum is σ = 708716424. Its totient is φ = 108002160.

The previous prime is 325553153. The next prime is 325553219. The reversal of 325553166 is 661355523.

It is a self number, because there is not a number n which added to its sum of digits gives 325553166.

It is a congruent number.

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, 39061 + ... + 46656.

It is an arithmetic number, because the mean of its divisors is an integer number (29529851).

Almost surely, 2^325553166 is an apocalyptic number.

325553166 is an abundant number, since it is smaller than the sum of its proper divisors (383163258).

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

325553166 is a wasteful number, since it uses less digits than its factorization.

325553166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85936 (or 85933 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

The square root of 325553166 is about 18043.0919190697. The cubic root of 325553166 is about 687.9242849232.

It can be divided in two parts, 32555 and 3166, that added together give a square (35721 = 189²).

The spelling of 325553166 in words is "three hundred twenty-five million, five hundred fifty-three thousand, one hundred sixty-six".