16631252 has 48 divisors (see below), whose sum is σ = 33384960. Its totient is φ = 7180800.

The previous prime is 16631249. The next prime is 16631261. The reversal of 16631252 is 25213661.

Its product of digits (2160) is a multiple of the sum of its prime divisors (270).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121328 + ... + 121464.

It is an arithmetic number, because the mean of its divisors is an integer number (695520).

Almost surely, 2^16631252 is an apocalyptic number.

It is an amenable number.

16631252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

16631252 is a wasteful number, since it uses less digits than its factorization.

16631252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 270 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 16631252 is about 4078.1432049402. The cubic root of 16631252 is about 255.2554252117.

The spelling of 16631252 in words is "sixteen million, six hundred thirty-one thousand, two hundred fifty-two".