159536538624 has 176 divisors, whose sum is σ = 455947142400. Its totient is φ = 49415847936.

The previous prime is 159536538619. The next prime is 159536538643. The reversal of 159536538624 is 426835635951.

It is a happy number.

It is a super-2 number, since 2×159536538624² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4106362 + ... + 4145030.

Almost surely, 2^159536538624 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 159536538624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227973571200).

159536538624 is an abundant number, since it is smaller than the sum of its proper divisors (296410603776).

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

159536538624 is a wasteful number, since it uses less digits than its factorization.

159536538624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38788 (or 38770 counting only the distinct ones).

The product of its digits is 23328000, while the sum is 57.

The spelling of 159536538624 in words is "one hundred fifty-nine billion, five hundred thirty-six million, five hundred thirty-eight thousand, six hundred twenty-four".