328216325184 has 448 divisors, whose sum is σ = 1125229916160. Its totient is φ = 92809728000.

The previous prime is 328216325179. The next prime is 328216325197. The reversal of 328216325184 is 481523612823.

328216325184 is a `hidden beast` number, since 3 + 2 + 8 + 2 + 1 + 632 + 5 + 1 + 8 + 4 = 666.

It is a super-2 number, since 2×328216325184² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17915389 + ... + 17933699.

It is an arithmetic number, because the mean of its divisors is an integer number (2511673920).

Almost surely, 2^328216325184 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 328216325184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562614958080).

328216325184 is an abundant number, since it is smaller than the sum of its proper divisors (797013590976).

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

328216325184 is a wasteful number, since it uses less digits than its factorization.

328216325184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18407 (or 18391 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The spelling of 328216325184 in words is "three hundred twenty-eight billion, two hundred sixteen million, three hundred twenty-five thousand, one hundred eighty-four".