16204972 has 24 divisors (see below), whose sum is σ = 33820416. Its totient is φ = 6642768.

The previous prime is 16204943. The next prime is 16204973. The reversal of 16204972 is 27940261.

It is a super-2 number, since 2×16204972² = 525202235041568, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (16204973) by changing a digit.

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, 11938 + ... + 13225.

It is an arithmetic number, because the mean of its divisors is an integer number (1409184).

Almost surely, 2^16204972 is an apocalyptic number.

It is an amenable number.

16204972 is an abundant number, since it is smaller than the sum of its proper divisors (17615444).

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

16204972 is a wasteful number, since it uses less digits than its factorization.

16204972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25197 (or 25195 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 16204972 is about 4025.5399637813. The cubic root of 16204972 is about 253.0556830366.

The spelling of 16204972 in words is "sixteen million, two hundred four thousand, nine hundred seventy-two".