16155372 has 24 divisors (see below), whose sum is σ = 39913776. Its totient is φ = 5068288.

The previous prime is 16155367. The next prime is 16155397. The reversal of 16155372 is 27355161.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39393 + ... + 39800.

It is an arithmetic number, because the mean of its divisors is an integer number (1663074).

Almost surely, 2^16155372 is an apocalyptic number.

16155372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16155372 is an abundant number, since it is smaller than the sum of its proper divisors (23758404).

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

16155372 is a wasteful number, since it uses less digits than its factorization.

16155372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79217 (or 79215 counting only the distinct ones).

The product of its digits is 6300, while the sum is 30.

The square root of 16155372 is about 4019.3745782149. The cubic root of 16155372 is about 252.7972358227.

The spelling of 16155372 in words is "sixteen million, one hundred fifty-five thousand, three hundred seventy-two".