39170421168 has 20 divisors (see below), whose sum is σ = 101190254808. Its totient is φ = 13056807040.

The previous prime is 39170421139. The next prime is 39170421181. The reversal of 39170421168 is 86112407193.

It is a happy number.

39170421168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 408025173 + ... + 408025268.

Almost surely, 2^39170421168 is an apocalyptic number.

It is an amenable number.

39170421168 is an abundant number, since it is smaller than the sum of its proper divisors (62019833640).

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

39170421168 is a wasteful number, since it uses less digits than its factorization.

39170421168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816050452 (or 816050446 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 39170421168 in words is "thirty-nine billion, one hundred seventy million, four hundred twenty-one thousand, one hundred sixty-eight".