165160724636 has 12 divisors (see below), whose sum is σ = 292689892320. Its totient is φ = 81535041120.

The previous prime is 165160724593. The next prime is 165160724639. The reversal of 165160724636 is 636427061561.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165160724639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261329945 + ... + 261330576.

It is an arithmetic number, because the mean of its divisors is an integer number (24390824360).

Almost surely, 2^165160724636 is an apocalyptic number.

It is an amenable number.

165160724636 is a deficient number, since it is larger than the sum of its proper divisors (127529167684).

165160724636 is a wasteful number, since it uses less digits than its factorization.

165160724636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522660604 (or 522660602 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 165160724636 in words is "one hundred sixty-five billion, one hundred sixty million, seven hundred twenty-four thousand, six hundred thirty-six".