165160005061161 has 16 divisors (see below), whose sum is σ = 240366123246528. Its totient is φ = 100041394176000.

The previous prime is 165160005061123. The next prime is 165160005061229. The reversal of 165160005061161 is 161160500061561.

It is not a de Polignac number, because 165160005061161 - 2¹⁰ = 165160005060137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165160005061561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1389404376 + ... + 1389523241.

It is an arithmetic number, because the mean of its divisors is an integer number (15022882702908).

Almost surely, 2^{165160005061161} is an apocalyptic number.

165160005061161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

165160005061161 is a deficient number, since it is larger than the sum of its proper divisors (75206118185367).

165160005061161 is a wasteful number, since it uses less digits than its factorization.

165160005061161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778929432.

The product of its (nonzero) digits is 32400, while the sum is 39.

The spelling of 165160005061161 in words is "one hundred sixty-five trillion, one hundred sixty billion, five million, sixty-one thousand, one hundred sixty-one".