163172159332928 has 28 divisors (see below), whose sum is σ = 324213634439100. Its totient is φ = 81480534907392.

The previous prime is 163172159332927. The next prime is 163172159332933. The reversal of 163172159332928 is 829233951271361.

It can be written as a sum of positive squares in 2 ways, for example, as 21651823535104 + 141520335797824 = 4653152^2 + 11896232^2 .

It is not an unprimeable number, because it can be changed into a prime (163172159332927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1649087003 + ... + 1649185946.

It is an arithmetic number, because the mean of its divisors is an integer number (11579058372825).

Almost surely, 2^{163172159332928} is an apocalyptic number.

It is an amenable number.

163172159332928 is a deficient number, since it is larger than the sum of its proper divisors (161041475106172).

163172159332928 is an equidigital number, since it uses as much as digits as its factorization.

163172159332928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3298273734 (or 3298273724 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 62.

The spelling of 163172159332928 in words is "one hundred sixty-three trillion, one hundred seventy-two billion, one hundred fifty-nine million, three hundred thirty-two thousand, nine hundred twenty-eight".