159691113 has 12 divisors (see below), whose sum is σ = 231262980. Its totient is φ = 106184736.

The previous prime is 159691073. The next prime is 159691151. The reversal of 159691113 is 311196951.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17413929 + 142277184 = 4173^2 + 11928^2 .

It is not a de Polignac number, because 159691113 - 2¹⁴ = 159674729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (159691163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19306 + ... + 26307.

It is an arithmetic number, because the mean of its divisors is an integer number (19271915).

Almost surely, 2^159691113 is an apocalyptic number.

It is an amenable number.

159691113 is a deficient number, since it is larger than the sum of its proper divisors (71571867).

159691113 is a wasteful number, since it uses less digits than its factorization.

159691113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46008 (or 46005 counting only the distinct ones).

The product of its digits is 7290, while the sum is 36.

The square root of 159691113 is about 12636.8949113301. The cubic root of 159691113 is about 542.5339447992.

The spelling of 159691113 in words is "one hundred fifty-nine million, six hundred ninety-one thousand, one hundred thirteen".