159989651377920 has 5184 divisors, whose sum is σ = 747482519347200. Its totient is φ = 31430679920640.

The previous prime is 159989651377909. The next prime is 159989651377957. The reversal of 159989651377920 is 29773156989951.

159989651377920 is a `hidden beast` number, since 1 + 5 + 9 + 9 + 8 + 9 + 6 + 513 + 7 + 7 + 92 + 0 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 159989651377920.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 2025185460441 + ... + 2025185460519.

It is an arithmetic number, because the mean of its divisors is an integer number (144190300800).

Almost surely, 2^{159989651377920} is an apocalyptic number.

159989651377920 is a gapful number since it is divisible by the number (10) 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 159989651377920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373741259673600).

159989651377920 is an abundant number, since it is smaller than the sum of its proper divisors (587492867969280).

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

159989651377920 is a wasteful number, since it uses less digits than its factorization.

159989651377920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 2314720800, while the sum is 81.

The spelling of 159989651377920 in words is "one hundred fifty-nine trillion, nine hundred eighty-nine billion, six hundred fifty-one million, three hundred seventy-seven thousand, nine hundred twenty".