165768116729115 has 256 divisors, whose sum is σ = 301919079628800. Its totient is φ = 77223360614400.

The previous prime is 165768116729113. The next prime is 165768116729129. The reversal of 165768116729115 is 511927611867561.

It is not a de Polignac number, because 165768116729115 - 2¹ = 165768116729113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165768116729113) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 63246132505 + ... + 63246135125.

It is an arithmetic number, because the mean of its divisors is an integer number (1179371404800).

Almost surely, 2^{165768116729115} is an apocalyptic number.

165768116729115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

165768116729115 is a deficient number, since it is larger than the sum of its proper divisors (136150962899685).

165768116729115 is a wasteful number, since it uses less digits than its factorization.

165768116729115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3818.

The product of its digits is 38102400, while the sum is 66.

The spelling of 165768116729115 in words is "one hundred sixty-five trillion, seven hundred sixty-eight billion, one hundred sixteen million, seven hundred twenty-nine thousand, one hundred fifteen".