159427968 has 192 divisors, whose sum is σ = 508143600. Its totient is φ = 44126208.

The previous prime is 159427949. The next prime is 159427969. The reversal of 159427968 is 869724951.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-3 number, since 3×159427968³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 159427968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159427969) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 696078 + ... + 696306.

Almost surely, 2^159427968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159427968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254071800).

159427968 is an abundant number, since it is smaller than the sum of its proper divisors (348715632).

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

159427968 is a wasteful number, since it uses less digits than its factorization.

159427968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 278 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 159427968 is about 12626.4788440800. The cubic root of 159427968 is about 542.2357783745.

The spelling of 159427968 in words is "one hundred fifty-nine million, four hundred twenty-seven thousand, nine hundred sixty-eight".