168155868 has 12 divisors (see below), whose sum is σ = 392363720. Its totient is φ = 56051952.

The previous prime is 168155849. The next prime is 168155879. The reversal of 168155868 is 868551861.

168155868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 7006483 + ... + 7006506.

Almost surely, 2^168155868 is an apocalyptic number.

It is an amenable number.

168155868 is an abundant number, since it is smaller than the sum of its proper divisors (224207852).

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

168155868 is a wasteful number, since it uses less digits than its factorization.

168155868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14012996 (or 14012994 counting only the distinct ones).

The product of its digits is 460800, while the sum is 48.

The square root of 168155868 is about 12967.4927414670. The cubic root of 168155868 is about 551.9554285583.

The spelling of 168155868 in words is "one hundred sixty-eight million, one hundred fifty-five thousand, eight hundred sixty-eight".