159722968 has 32 divisors (see below), whose sum is σ = 317376000. Its totient is φ = 75146400.

The previous prime is 159722963. The next prime is 159722989. The reversal of 159722968 is 869227951.

It is a super-2 number, since 2×159722968² = 51022853013458048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159722963) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19473 + ... + 26431.

It is an arithmetic number, because the mean of its divisors is an integer number (9918000).

Almost surely, 2^159722968 is an apocalyptic number.

It is an amenable number.

159722968 is a deficient number, since it is larger than the sum of its proper divisors (157653032).

159722968 is a wasteful number, since it uses less digits than its factorization.

159722968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7135 (or 7131 counting only the distinct ones).

The product of its digits is 544320, while the sum is 49.

The square root of 159722968 is about 12638.1552451297. The cubic root of 159722968 is about 542.5700170837.

The spelling of 159722968 in words is "one hundred fifty-nine million, seven hundred twenty-two thousand, nine hundred sixty-eight".