165161110050104 has 64 divisors (see below), whose sum is σ = 374873423371200. Its totient is φ = 66595050676224.

The previous prime is 165161110050071. The next prime is 165161110050109. The reversal of 165161110050104 is 401050011161561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165161110050109) 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, 29390789 + ... + 34556340.

It is an arithmetic number, because the mean of its divisors is an integer number (5857397240175).

Almost surely, 2^{165161110050104} is an apocalyptic number.

165161110050104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

165161110050104 is an abundant number, since it is smaller than the sum of its proper divisors (209712313321096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165161110050104 is a wasteful number, since it uses less digits than its factorization.

165161110050104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63949872 (or 63949868 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 32.

The spelling of 165161110050104 in words is "one hundred sixty-five trillion, one hundred sixty-one billion, one hundred ten million, fifty thousand, one hundred four".