167165988 has 24 divisors (see below), whose sum is σ = 425513760. Its totient is φ = 50656320.

The previous prime is 167165953. The next prime is 167166007. The reversal of 167165988 is 889561761.

It is a super-2 number, since 2×167165988² = 55888935088032288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 167165988.

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, 633073 + ... + 633336.

It is an arithmetic number, because the mean of its divisors is an integer number (17729740).

Almost surely, 2^167165988 is an apocalyptic number.

It is an amenable number.

167165988 is an abundant number, since it is smaller than the sum of its proper divisors (258347772).

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

167165988 is a wasteful number, since it uses less digits than its factorization.

167165988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266427 (or 1266425 counting only the distinct ones).

The product of its digits is 725760, while the sum is 51.

The square root of 167165988 is about 12929.2686568112. The cubic root of 167165988 is about 550.8702344713.

The spelling of 167165988 in words is "one hundred sixty-seven million, one hundred sixty-five thousand, nine hundred eighty-eight".