159680838 has 16 divisors (see below), whose sum is σ = 325388016. Its totient is φ = 52222560.

The previous prime is 159680819. The next prime is 159680861. The reversal of 159680838 is 838086951.

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, 250753 + ... + 251388.

It is an arithmetic number, because the mean of its divisors is an integer number (20336751).

Almost surely, 2^159680838 is an apocalyptic number.

159680838 is an abundant number, since it is smaller than the sum of its proper divisors (165707178).

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

159680838 is a wasteful number, since it uses less digits than its factorization.

159680838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502199.

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 159680838 is about 12636.4883571347. The cubic root of 159680838 is about 542.5223084684.

The spelling of 159680838 in words is "one hundred fifty-nine million, six hundred eighty thousand, eight hundred thirty-eight".