159691707 has 12 divisors (see below), whose sum is σ = 263618160. Its totient is φ = 91252368.

The previous prime is 159691687. The next prime is 159691747. The reversal of 159691707 is 707196951.

It is not a de Polignac number, because 159691707 - 2¹⁰ = 159690683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (159691747) 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, 1267332 + ... + 1267457.

It is an arithmetic number, because the mean of its divisors is an integer number (21968180).

Almost surely, 2^159691707 is an apocalyptic number.

159691707 is a deficient number, since it is larger than the sum of its proper divisors (103926453).

159691707 is a wasteful number, since it uses less digits than its factorization.

159691707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534802 (or 2534799 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 45.

The square root of 159691707 is about 12636.9184139172. The cubic root of 159691707 is about 542.5346174828.

The spelling of 159691707 in words is "one hundred fifty-nine million, six hundred ninety-one thousand, seven hundred seven".