167170772020 has 48 divisors (see below), whose sum is σ = 415044685440. Its totient is φ = 55339288704.

The previous prime is 167170772017. The next prime is 167170772047. The reversal of 167170772020 is 20277071761.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20583474 + ... + 20591593.

It is an arithmetic number, because the mean of its divisors is an integer number (8646764280).

Almost surely, 2^167170772020 is an apocalyptic number.

167170772020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

167170772020 is an abundant number, since it is smaller than the sum of its proper divisors (247873913420).

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

167170772020 is a wasteful number, since it uses less digits than its factorization.

167170772020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41175112 (or 41175110 counting only the distinct ones).

The product of its (nonzero) digits is 57624, while the sum is 40.

The spelling of 167170772020 in words is "one hundred sixty-seven billion, one hundred seventy million, seven hundred seventy-two thousand, twenty".