159982868 has 24 divisors (see below), whose sum is σ = 284891712. Its totient is φ = 78591744.

The previous prime is 159982859. The next prime is 159982873. The reversal of 159982868 is 868289951.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 179921 + ... + 180807.

It is an arithmetic number, because the mean of its divisors is an integer number (11870488).

Almost surely, 2^159982868 is an apocalyptic number.

It is an amenable number.

159982868 is a deficient number, since it is larger than the sum of its proper divisors (124908844).

159982868 is a wasteful number, since it uses less digits than its factorization.

159982868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631 (or 1629 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 56.

The square root of 159982868 is about 12648.4334207838. The cubic root of 159982868 is about 542.8641462096.

The spelling of 159982868 in words is "one hundred fifty-nine million, nine hundred eighty-two thousand, eight hundred sixty-eight".