328491480163 has 32 divisors (see below), whose sum is σ = 418602240000. Its totient is φ = 250317250560.

The previous prime is 328491480143. The next prime is 328491480179. The reversal of 328491480163 is 361084194823.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 328491480163 - 2⁹ = 328491479651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (328491480143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4483795 + ... + 4556467.

It is an arithmetic number, because the mean of its divisors is an integer number (13081320000).

Almost surely, 2^328491480163 is an apocalyptic number.

328491480163 is a deficient number, since it is larger than the sum of its proper divisors (90110759837).

328491480163 is a wasteful number, since it uses less digits than its factorization.

328491480163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73987.

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 328491480163 in words is "three hundred twenty-eight billion, four hundred ninety-one million, four hundred eighty thousand, one hundred sixty-three".