165110011755 has 16 divisors (see below), whose sum is σ = 284497251360. Its totient is φ = 81284928768.

The previous prime is 165110011699. The next prime is 165110011763. The reversal of 165110011755 is 557110011561.

It is not a de Polignac number, because 165110011755 - 2¹⁰ = 165110010731 is a prime.

It is a super-2 number, since 2×165110011755² (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, 423358810 + ... + 423359199.

It is an arithmetic number, because the mean of its divisors is an integer number (17781078210).

Almost surely, 2^165110011755 is an apocalyptic number.

165110011755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

165110011755 is a deficient number, since it is larger than the sum of its proper divisors (119387239605).

165110011755 is a wasteful number, since it uses less digits than its factorization.

165110011755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846718030.

The product of its (nonzero) digits is 5250, while the sum is 33.

The spelling of 165110011755 in words is "one hundred sixty-five billion, one hundred ten million, eleven thousand, seven hundred fifty-five".