165623354554022 has 32 divisors (see below), whose sum is σ = 265799639802720. Its totient is φ = 77166463518720.

The previous prime is 165623354554001. The next prime is 165623354554027. The reversal of 165623354554022 is 220455453326561.

165623354554022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165623354554027) 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, 516552068 + ... + 516872600.

It is an arithmetic number, because the mean of its divisors is an integer number (8306238743835).

Almost surely, 2^{165623354554022} is an apocalyptic number.

165623354554022 is a deficient number, since it is larger than the sum of its proper divisors (100176285248698).

165623354554022 is a wasteful number, since it uses less digits than its factorization.

165623354554022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543528.

The product of its (nonzero) digits is 25920000, while the sum is 53.

The spelling of 165623354554022 in words is "one hundred sixty-five trillion, six hundred twenty-three billion, three hundred fifty-four million, five hundred fifty-four thousand, twenty-two".