158717029912 has 64 divisors (see below), whose sum is σ = 344632780800. Its totient is φ = 67117714560.

The previous prime is 158717029883. The next prime is 158717029927. The reversal of 158717029912 is 219920717851.

It is a self number, because there is not a number n which added to its sum of digits gives 158717029912.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 7479237 + ... + 7500427.

It is an arithmetic number, because the mean of its divisors is an integer number (5384887200).

Almost surely, 2^158717029912 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 158717029912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172316390400).

158717029912 is an abundant number, since it is smaller than the sum of its proper divisors (185915750888).

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

158717029912 is a wasteful number, since it uses less digits than its factorization.

158717029912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22976 (or 22972 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 52.

The spelling of 158717029912 in words is "one hundred fifty-eight billion, seven hundred seventeen million, twenty-nine thousand, nine hundred twelve".