159956520 has 64 divisors (see below), whose sum is σ = 481947840. Its totient is φ = 42470400.

The previous prime is 159956509. The next prime is 159956549. The reversal of 159956520 is 25659951.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26155 + ... + 31685.

It is an arithmetic number, because the mean of its divisors is an integer number (7530435).

Almost surely, 2^159956520 is an apocalyptic number.

159956520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159956520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240973920).

159956520 is an abundant number, since it is smaller than the sum of its proper divisors (321991320).

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

159956520 is a wasteful number, since it uses less digits than its factorization.

159956520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5786 (or 5782 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 42.

The square root of 159956520 is about 12647.3918259853. The cubic root of 159956520 is about 542.8343426646.

The spelling of 159956520 in words is "one hundred fifty-nine million, nine hundred fifty-six thousand, five hundred twenty".