159713856 has 70 divisors (see below), whose sum is σ = 473457270. Its totient is φ = 53236224.

The previous prime is 159713837. The next prime is 159713881. The reversal of 159713856 is 658317951.

It is a happy number.

159713856 is a `hidden beast` number, since 1 + 597 + 1 + 3 + 8 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 153363456 + 6350400 = 12384^2 + 2520^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10221 + ... + 20588.

Almost surely, 2^159713856 is an apocalyptic number.

159713856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

159713856 is an abundant number, since it is smaller than the sum of its proper divisors (313743414).

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

159713856 is an equidigital number, since it uses as much as digits as its factorization.

159713856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30833 (or 30814 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 159713856 is about 12637.7947443373. The cubic root of 159713856 is about 542.5596992355.

The spelling of 159713856 in words is "one hundred fifty-nine million, seven hundred thirteen thousand, eight hundred fifty-six".