159987984 has 40 divisors (see below), whose sum is σ = 445096512. Its totient is φ = 49226880.

The previous prime is 159987979. The next prime is 159988001. The reversal of 159987984 is 489789951.

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, 127572 + ... + 128819.

Almost surely, 2^159987984 is an apocalyptic number.

It is an amenable number.

159987984 is an abundant number, since it is smaller than the sum of its proper divisors (285108528).

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

159987984 is a wasteful number, since it uses less digits than its factorization.

159987984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256415 (or 256409 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 60.

The square root of 159987984 is about 12648.6356576510. The cubic root of 159987984 is about 542.8699327946.

The spelling of 159987984 in words is "one hundred fifty-nine million, nine hundred eighty-seven thousand, nine hundred eighty-four".