328161451672 has 16 divisors (see below), whose sum is σ = 615682328400. Its totient is φ = 163979497440.

The previous prime is 328161451663. The next prime is 328161451691. The reversal of 328161451672 is 276154161823.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12639772 + ... + 12665707.

It is an arithmetic number, because the mean of its divisors is an integer number (38480145525).

Almost surely, 2^328161451672 is an apocalyptic number.

It is an amenable number.

328161451672 is a deficient number, since it is larger than the sum of its proper divisors (287520876728).

328161451672 is a wasteful number, since it uses less digits than its factorization.

328161451672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25307106 (or 25307102 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The spelling of 328161451672 in words is "three hundred twenty-eight billion, one hundred sixty-one million, four hundred fifty-one thousand, six hundred seventy-two".