328187658628 has 24 divisors (see below), whose sum is σ = 605477561472. Its totient is φ = 155341173504.

The previous prime is 328187658581. The next prime is 328187658661. The reversal of 328187658628 is 826856781823.

It is a self number, because there is not a number n which added to its sum of digits gives 328187658628.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18379000 + ... + 18396847.

It is an arithmetic number, because the mean of its divisors is an integer number (25228231728).

Almost surely, 2^328187658628 is an apocalyptic number.

It is an amenable number.

328187658628 is a deficient number, since it is larger than the sum of its proper divisors (277289902844).

328187658628 is a wasteful number, since it uses less digits than its factorization.

328187658628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36775971 (or 36775969 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 64.

The spelling of 328187658628 in words is "three hundred twenty-eight billion, one hundred eighty-seven million, six hundred fifty-eight thousand, six hundred twenty-eight".