328169672 has 32 divisors (see below), whose sum is σ = 652687200. Its totient is φ = 154252800.

The previous prime is 328169641. The next prime is 328169701. The reversal of 328169672 is 276961823.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11672 + ... + 28152.

It is an arithmetic number, because the mean of its divisors is an integer number (20396475).

Almost surely, 2^328169672 is an apocalyptic number.

It is an amenable number.

328169672 is a deficient number, since it is larger than the sum of its proper divisors (324517528).

328169672 is a wasteful number, since it uses less digits than its factorization.

328169672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16637 (or 16633 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 328169672 is about 18115.4539551180. The cubic root of 328169672 is about 689.7623434142.

The spelling of 328169672 in words is "three hundred twenty-eight million, one hundred sixty-nine thousand, six hundred seventy-two".