159909552 has 120 divisors (see below), whose sum is σ = 506425920. Its totient is φ = 48444480.

The previous prime is 159909539. The next prime is 159909613. The reversal of 159909552 is 255909951.

159909552 is a `hidden beast` number, since 1 + 5 + 9 + 90 + 9 + 552 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 159909498 and 159909507.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40899 + ... + 44637.

It is an arithmetic number, because the mean of its divisors is an integer number (4220216).

Almost surely, 2^159909552 is an apocalyptic number.

159909552 is a gapful number since it is divisible by the number (12) 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 159909552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253212960).

159909552 is an abundant number, since it is smaller than the sum of its proper divisors (346516368).

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

159909552 is a wasteful number, since it uses less digits than its factorization.

159909552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773 (or 3755 counting only the distinct ones).

The product of its (nonzero) digits is 182250, while the sum is 45.

The square root of 159909552 is about 12645.5348641329. The cubic root of 159909552 is about 542.7812066848.

It can be divided in two parts, 159909 and 552, that added together give a triangular number (160461 = T₅₆₆).

The spelling of 159909552 in words is "one hundred fifty-nine million, nine hundred nine thousand, five hundred fifty-two".