331673168 has 10 divisors (see below), whose sum is σ = 642616794. Its totient is φ = 165836576.

The previous prime is 331673159. The next prime is 331673171. The reversal of 331673168 is 861376133.

It can be written as a sum of positive squares in only one way, i.e., 325874704 + 5798464 = 18052^2 + 2408^2 .

It is a super-2 number, since 2×331673168² = 220014180742312448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10364771 + ... + 10364802.

Almost surely, 2^331673168 is an apocalyptic number.

It is an amenable number.

331673168 is a deficient number, since it is larger than the sum of its proper divisors (310943626).

331673168 is a wasteful number, since it uses less digits than its factorization.

331673168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20729581 (or 20729575 counting only the distinct ones).

The product of its digits is 54432, while the sum is 38.

The square root of 331673168 is about 18211.8963317937. The cubic root of 331673168 is about 692.2082636873.

The spelling of 331673168 in words is "three hundred thirty-one million, six hundred seventy-three thousand, one hundred sixty-eight".