165665511162 has 24 divisors (see below), whose sum is σ = 363266545824. Its totient is φ = 54556513224.

The previous prime is 165665511149. The next prime is 165665511181. The reversal of 165665511162 is 261115566561.

165665511162 is a `hidden beast` number, since 1 + 65 + 6 + 65 + 511 + 16 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55442118 + ... + 55445105.

It is an arithmetic number, because the mean of its divisors is an integer number (15136106076).

Almost surely, 2^165665511162 is an apocalyptic number.

165665511162 is an abundant number, since it is smaller than the sum of its proper divisors (197601034662).

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

165665511162 is a wasteful number, since it uses less digits than its factorization.

165665511162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110887314 (or 110887311 counting only the distinct ones).

The product of its digits is 324000, while the sum is 45.

The spelling of 165665511162 in words is "one hundred sixty-five billion, six hundred sixty-five million, five hundred eleven thousand, one hundred sixty-two".