108170992972 has 24 divisors (see below), whose sum is σ = 218572321184. Its totient is φ = 45881068032.

The previous prime is 108170992967. The next prime is 108170992991. The reversal of 108170992972 is 279299071801.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19910943 + ... + 19916374.

Almost surely, 2^108170992972 is an apocalyptic number.

It is an amenable number.

108170992972 is an abundant number, since it is smaller than the sum of its proper divisors (110401328212).

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

108170992972 is a wasteful number, since it uses less digits than its factorization.

108170992972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39827425 (or 39827423 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 55.

The spelling of 108170992972 in words is "one hundred eight billion, one hundred seventy million, nine hundred ninety-two thousand, nine hundred seventy-two".