331972168 has 32 divisors (see below), whose sum is σ = 679959360. Its totient is φ = 150690880.

The previous prime is 331972163. The next prime is 331972183. The reversal of 331972168 is 861279133.

It is a super-2 number, since 2×331972168² = 220411040653240448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331972168.

It is not an unprimeable number, because it can be changed into a prime (331972163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75930 + ... + 80182.

It is an arithmetic number, because the mean of its divisors is an integer number (21248730).

Almost surely, 2^331972168 is an apocalyptic number.

It is an amenable number.

331972168 is an abundant number, since it is smaller than the sum of its proper divisors (347987192).

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

331972168 is a wasteful number, since it uses less digits than its factorization.

331972168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5157 (or 5153 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 331972168 is about 18220.1034025606. The cubic root of 331972168 is about 692.4162074585.

The spelling of 331972168 in words is "three hundred thirty-one million, nine hundred seventy-two thousand, one hundred sixty-eight".