328167680 has 144 divisors (see below), whose sum is σ = 837091584. Its totient is φ = 123002880.

The previous prime is 328167673. The next prime is 328167709. The reversal of 328167680 is 86761823.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2090162 + ... + 2090318.

It is an arithmetic number, because the mean of its divisors is an integer number (5813136).

Almost surely, 2^328167680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328167680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418545792).

328167680 is an abundant number, since it is smaller than the sum of its proper divisors (508923904).

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

328167680 is a wasteful number, since it uses less digits than its factorization.

328167680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 328167680 is about 18115.3989743533. The cubic root of 328167680 is about 689.7609477851.

The spelling of 328167680 in words is "three hundred twenty-eight million, one hundred sixty-seven thousand, six hundred eighty".