167117868 has 18 divisors (see below), whose sum is σ = 422436924. Its totient is φ = 55705944.

The previous prime is 167117861. The next prime is 167117959. The reversal of 167117868 is 868711761.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (167117861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2321046 + ... + 2321117.

It is an arithmetic number, because the mean of its divisors is an integer number (23468718).

Almost surely, 2^167117868 is an apocalyptic number.

167117868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

167117868 is an abundant number, since it is smaller than the sum of its proper divisors (255319056).

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

167117868 is a wasteful number, since it uses less digits than its factorization.

167117868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4642173 (or 4642168 counting only the distinct ones).

The product of its digits is 112896, while the sum is 45.

The square root of 167117868 is about 12927.4076287553. The cubic root of 167117868 is about 550.8173720043.

The spelling of 167117868 in words is "one hundred sixty-seven million, one hundred seventeen thousand, eight hundred sixty-eight".