168855392902 has 32 divisors (see below), whose sum is σ = 293787965952. Its totient is φ = 71288610624.

The previous prime is 168855392891. The next prime is 168855392911. The reversal of 168855392902 is 209293558861.

It is a congruent number.

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, 745303 + ... + 945085.

It is an arithmetic number, because the mean of its divisors is an integer number (9180873936).

Almost surely, 2^168855392902 is an apocalyptic number.

168855392902 is a deficient number, since it is larger than the sum of its proper divisors (124932573050).

168855392902 is a wasteful number, since it uses less digits than its factorization.

168855392902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200692.

The product of its (nonzero) digits is 9331200, while the sum is 58.

The spelling of 168855392902 in words is "one hundred sixty-eight billion, eight hundred fifty-five million, three hundred ninety-two thousand, nine hundred two".