159693872 has 20 divisors (see below), whose sum is σ = 333207840. Its totient is φ = 73704768.

The previous prime is 159693817. The next prime is 159693881. The reversal of 159693872 is 278396951.

It is a self number, because there is not a number n which added to its sum of digits gives 159693872.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383672 + ... + 384087.

It is an arithmetic number, because the mean of its divisors is an integer number (16660392).

Almost surely, 2^159693872 is an apocalyptic number.

It is an amenable number.

159693872 is an abundant number, since it is smaller than the sum of its proper divisors (173513968).

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

159693872 is a wasteful number, since it uses less digits than its factorization.

159693872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767780 (or 767774 counting only the distinct ones).

The product of its digits is 816480, while the sum is 50.

The square root of 159693872 is about 12637.0040753337. The cubic root of 159693872 is about 542.5370692530.

The spelling of 159693872 in words is "one hundred fifty-nine million, six hundred ninety-three thousand, eight hundred seventy-two".