159758797968 has 720 divisors, whose sum is σ = 591465393792. Its totient is φ = 39771648000.

The previous prime is 159758797937. The next prime is 159758797997. The reversal of 159758797968 is 869797857951.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 194117205 + ... + 194118027.

Almost surely, 2^159758797968 is an apocalyptic number.

159758797968 is a gapful number since it is divisible by the number (18) 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 159758797968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295732696896).

159758797968 is an abundant number, since it is smaller than the sum of its proper divisors (431706595824).

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

159758797968 is a wasteful number, since it uses less digits than its factorization.

159758797968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964 (or 948 counting only the distinct ones).

The product of its digits is 2400451200, while the sum is 81.

The spelling of 159758797968 in words is "one hundred fifty-nine billion, seven hundred fifty-eight million, seven hundred ninety-seven thousand, nine hundred sixty-eight".