158929590865984 has 63 divisors (see below), whose sum is σ = 332852269503807. Its totient is φ = 75281530094208.

The previous prime is 158929590865943. The next prime is 158929590866029. The reversal of 158929590865984 is 489568095929851.

The square root of 158929590865984 is 12606728.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×158929590865984² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 158929590865895 and 158929590865904.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1916181187 + ... + 1916264125.

Almost surely, 2^{158929590865984} is an apocalyptic number.

158929590865984 is the 12606728-th square number.

It is an amenable number.

158929590865984 is an abundant number, since it is smaller than the sum of its proper divisors (173922678637823).

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

158929590865984 is an frugal number, since it uses more digits than its factorization.

158929590865984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165928 (or 82960 counting only the distinct ones).

The product of its (nonzero) digits is 20155392000, while the sum is 88.

The spelling of 158929590865984 in words is "one hundred fifty-eight trillion, nine hundred twenty-nine billion, five hundred ninety million, eight hundred sixty-five thousand, nine hundred eighty-four".