158689096164 has 81 divisors (see below), whose sum is σ = 416707176067. Its totient is φ = 52874854056.

The previous prime is 158689096157. The next prime is 158689096187. The reversal of 158689096164 is 461690986851.

The square root of 158689096164 is 398358.

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

158689096164 is a `hidden beast` number, since 1 + 5 + 8 + 6 + 8 + 9 + 0 + 9 + 616 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (81).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 64532767 + ... + 64535225.

Almost surely, 2^158689096164 is an apocalyptic number.

158689096164 is the 398358-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158689096164

158689096164 is an abundant number, since it is smaller than the sum of its proper divisors (258018079903).

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

158689096164 is an frugal number, since it uses more digits than its factorization.

158689096164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4946 (or 2464 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 63.

The spelling of 158689096164 in words is "one hundred fifty-eight billion, six hundred eighty-nine million, ninety-six thousand, one hundred sixty-four".