328391962155 has 40 divisors (see below), whose sum is σ = 594073748400. Its totient is φ = 173535545664.

The previous prime is 328391962147. The next prime is 328391962163. The reversal of 328391962155 is 551269193823.

328391962155 is a `hidden beast` number, since 3 + 2 + 8 + 3 + 9 + 1 + 9 + 621 + 5 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (328391962147) and next prime (328391962163).

It is not a de Polignac number, because 328391962155 - 2³ = 328391962147 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3675325 + ... + 3763614.

It is an arithmetic number, because the mean of its divisors is an integer number (14851843710).

Almost surely, 2^328391962155 is an apocalyptic number.

328391962155 is a deficient number, since it is larger than the sum of its proper divisors (265681786245).

328391962155 is a wasteful number, since it uses less digits than its factorization.

328391962155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7439065 (or 7439056 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 54.

The spelling of 328391962155 in words is "three hundred twenty-eight billion, three hundred ninety-one million, nine hundred sixty-two thousand, one hundred fifty-five".