159559120 has 40 divisors (see below), whose sum is σ = 423972864. Its totient is φ = 54705792.

The previous prime is 159559091. The next prime is 159559123. The reversal of 159559120 is 21955951.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×159559120² = 50918225550348800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 159559120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159559123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141904 + ... + 143023.

Almost surely, 2^159559120 is an apocalyptic number.

159559120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159559120 is an abundant number, since it is smaller than the sum of its proper divisors (264413744).

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

159559120 is a wasteful number, since it uses less digits than its factorization.

159559120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284947 (or 284941 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 37.

The square root of 159559120 is about 12631.6713066799. The cubic root of 159559120 is about 542.3844261009.

The spelling of 159559120 in words is "one hundred fifty-nine million, five hundred fifty-nine thousand, one hundred twenty".