159997516516 has 12 divisors (see below), whose sum is σ = 282564422140. Its totient is φ = 79264824480.

The previous prime is 159997516453. The next prime is 159997516529. The reversal of 159997516516 is 615615799951.

It can be written as a sum of positive squares in 2 ways, for example, as 42458250916 + 117539265600 = 206054^2 + 342840^2 .

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183482955 + ... + 183483826.

Almost surely, 2^159997516516 is an apocalyptic number.

It is an amenable number.

159997516516 is a deficient number, since it is larger than the sum of its proper divisors (122566905624).

159997516516 is a wasteful number, since it uses less digits than its factorization.

159997516516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366966894 (or 366966892 counting only the distinct ones).

The product of its digits is 22963500, while the sum is 64.

The spelling of 159997516516 in words is "one hundred fifty-nine billion, nine hundred ninety-seven million, five hundred sixteen thousand, five hundred sixteen".