159568928 has 12 divisors (see below), whose sum is σ = 314151390. Its totient is φ = 79784448.

The previous prime is 159568921. The next prime is 159568943. The reversal of 159568928 is 829865951.

It can be written as a sum of positive squares in only one way, i.e., 126067984 + 33500944 = 11228^2 + 5788^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 159568928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159568921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2493233 + ... + 2493296.

Almost surely, 2^159568928 is an apocalyptic number.

It is an amenable number.

159568928 is a deficient number, since it is larger than the sum of its proper divisors (154582462).

159568928 is an equidigital number, since it uses as much as digits as its factorization.

159568928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4986539 (or 4986531 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 53.

The square root of 159568928 is about 12632.0595312087. The cubic root of 159568928 is about 542.3955392178.

The spelling of 159568928 in words is "one hundred fifty-nine million, five hundred sixty-eight thousand, nine hundred twenty-eight".