172930326172 has 12 divisors (see below), whose sum is σ = 302970804136. Its totient is φ = 86367239280.

The previous prime is 172930326167. The next prime is 172930326253. The reversal of 172930326172 is 271623039271.

172930326172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 24476979 + ... + 24484042.

Almost surely, 2^172930326172 is an apocalyptic number.

It is an amenable number.

172930326172 is a deficient number, since it is larger than the sum of its proper divisors (130040477964).

172930326172 is a wasteful number, since it uses less digits than its factorization.

172930326172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48961908 (or 48961906 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 43.

The spelling of 172930326172 in words is "one hundred seventy-two billion, nine hundred thirty million, three hundred twenty-six thousand, one hundred seventy-two".