16625172 has 24 divisors (see below), whose sum is σ = 39739392. Its totient is φ = 5406400.

The previous prime is 16625153. The next prime is 16625233. The reversal of 16625172 is 27152661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16404 + ... + 17387.

It is an arithmetic number, because the mean of its divisors is an integer number (1655808).

Almost surely, 2^16625172 is an apocalyptic number.

16625172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16625172 is an abundant number, since it is smaller than the sum of its proper divisors (23114220).

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

16625172 is a wasteful number, since it uses less digits than its factorization.

16625172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33839 (or 33837 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 16625172 is about 4077.3976995137. The cubic root of 16625172 is about 255.2243162661.

The spelling of 16625172 in words is "sixteen million, six hundred twenty-five thousand, one hundred seventy-two".