372203552172 has 12 divisors (see below), whose sum is σ = 868474955096. Its totient is φ = 124067850720.

The previous prime is 372203552159. The next prime is 372203552207. The reversal of 372203552172 is 271255302273.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 372203552172.

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, 15508481329 + ... + 15508481352.

Almost surely, 2^372203552172 is an apocalyptic number.

It is an amenable number.

372203552172 is an abundant number, since it is smaller than the sum of its proper divisors (496271402924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

372203552172 is a wasteful number, since it uses less digits than its factorization.

372203552172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31016962688 (or 31016962686 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 39.

The spelling of 372203552172 in words is "three hundred seventy-two billion, two hundred three million, five hundred fifty-two thousand, one hundred seventy-two".