328163672217 has 4 divisors (see below), whose sum is σ = 437551562960. Its totient is φ = 218775781476.

The previous prime is 328163672203. The next prime is 328163672267. The reversal of 328163672217 is 712276361823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 328163672217 - 2¹⁶ = 328163606681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328163672267) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 54693945367 + ... + 54693945372.

It is an arithmetic number, because the mean of its divisors is an integer number (109387890740).

Almost surely, 2^328163672217 is an apocalyptic number.

It is an amenable number.

328163672217 is a deficient number, since it is larger than the sum of its proper divisors (109387890743).

328163672217 is a wasteful number, since it uses less digits than its factorization.

328163672217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109387890742.

The product of its digits is 1016064, while the sum is 48.

The spelling of 328163672217 in words is "three hundred twenty-eight billion, one hundred sixty-three million, six hundred seventy-two thousand, two hundred seventeen".