158336577668 has 48 divisors (see below), whose sum is σ = 292517056944. Its totient is φ = 74892533760.

The previous prime is 158336577611. The next prime is 158336577757. The reversal of 158336577668 is 866775633851.

158336577668 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 45589504 + 158290988164 = 6752^2 + 397858^2 .

It is a super-2 number, since 2×158336577668² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1733396 + ... + 1822452.

It is an arithmetic number, because the mean of its divisors is an integer number (6094105353).

Almost surely, 2^158336577668 is an apocalyptic number.

It is an amenable number.

158336577668 is a deficient number, since it is larger than the sum of its proper divisors (134180479276).

158336577668 is a wasteful number, since it uses less digits than its factorization.

158336577668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89432 (or 89430 counting only the distinct ones).

The product of its digits is 152409600, while the sum is 65.

The spelling of 158336577668 in words is "one hundred fifty-eight billion, three hundred thirty-six million, five hundred seventy-seven thousand, six hundred sixty-eight".