159612168 has 16 divisors (see below), whose sum is σ = 399030480. Its totient is φ = 53204048.

The previous prime is 159612121. The next prime is 159612181. The reversal of 159612168 is 861216951.

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, 3325230 + ... + 3325277.

It is an arithmetic number, because the mean of its divisors is an integer number (24939405).

Almost surely, 2^159612168 is an apocalyptic number.

It is an amenable number.

159612168 is an abundant number, since it is smaller than the sum of its proper divisors (239418312).

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

159612168 is a wasteful number, since it uses less digits than its factorization.

159612168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6650516 (or 6650512 counting only the distinct ones).

The product of its digits is 25920, while the sum is 39.

The square root of 159612168 is about 12633.7709334941. The cubic root of 159612168 is about 542.4445275877. Note that the first 3 decimals are identical.

The spelling of 159612168 in words is "one hundred fifty-nine million, six hundred twelve thousand, one hundred sixty-eight".