165853368 has 48 divisors (see below), whose sum is σ = 468720720. Its totient is φ = 52880256.

The previous prime is 165853321. The next prime is 165853393. The reversal of 165853368 is 863358561.

165853368 is a `hidden beast` number, since 1 + 6 + 58 + 533 + 68 = 666.

165853368 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 an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48421 + ... + 51732.

It is an arithmetic number, because the mean of its divisors is an integer number (9765015).

Almost surely, 2^165853368 is an apocalyptic number.

165853368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

165853368 is an abundant number, since it is smaller than the sum of its proper divisors (302867352).

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

165853368 is a wasteful number, since it uses less digits than its factorization.

165853368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100188 (or 100181 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 165853368 is about 12878.4070443514. The cubic root of 165853368 is about 549.4245971290.

The spelling of 165853368 in words is "one hundred sixty-five million, eight hundred fifty-three thousand, three hundred sixty-eight".