159881560 has 16 divisors (see below), whose sum is σ = 359733600. Its totient is φ = 63952608.

The previous prime is 159881537. The next prime is 159881573. The reversal of 159881560 is 65188951.

It is a super-2 number, since 2×159881560² = 51124226456067200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1998480 + ... + 1998559.

It is an arithmetic number, because the mean of its divisors is an integer number (22483350).

Almost surely, 2^159881560 is an apocalyptic number.

159881560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159881560 is an abundant number, since it is smaller than the sum of its proper divisors (199852040).

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

159881560 is a wasteful number, since it uses less digits than its factorization.

159881560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3997050 (or 3997046 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 43.

The square root of 159881560 is about 12644.4280218601. The cubic root of 159881560 is about 542.7495337422.

The spelling of 159881560 in words is "one hundred fifty-nine million, eight hundred eighty-one thousand, five hundred sixty".