159956379568 has 20 divisors (see below), whose sum is σ = 313649409528. Its totient is φ = 79014596480.

The previous prime is 159956379559. The next prime is 159956379571. The reversal of 159956379568 is 865973659951.

It is a self number, because there is not a number n which added to its sum of digits gives 159956379568.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60223213 + ... + 60225868.

Almost surely, 2^159956379568 is an apocalyptic number.

It is an amenable number.

159956379568 is a deficient number, since it is larger than the sum of its proper divisors (153693029960).

159956379568 is a wasteful number, since it uses less digits than its factorization.

159956379568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120449172 (or 120449166 counting only the distinct ones).

The product of its digits is 551124000, while the sum is 73.

The spelling of 159956379568 in words is "one hundred fifty-nine billion, nine hundred fifty-six million, three hundred seventy-nine thousand, five hundred sixty-eight".