159515165 has 32 divisors (see below), whose sum is σ = 218401920. Its totient is φ = 111089664.

The previous prime is 159515137. The next prime is 159515171. The reversal of 159515165 is 561515951.

It is a cyclic number.

It is not a de Polignac number, because 159515165 - 2⁶ = 159515101 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68297 + ... + 70593.

It is an arithmetic number, because the mean of its divisors is an integer number (6825060).

Almost surely, 2^159515165 is an apocalyptic number.

It is an amenable number.

159515165 is a deficient number, since it is larger than the sum of its proper divisors (58886755).

159515165 is a wasteful number, since it uses less digits than its factorization.

159515165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381.

The product of its digits is 33750, while the sum is 38.

The square root of 159515165 is about 12629.9313141442. The cubic root of 159515165 is about 542.3346165654.

The spelling of 159515165 in words is "one hundred fifty-nine million, five hundred fifteen thousand, one hundred sixty-five".