165456927 has 12 divisors (see below), whose sum is σ = 239326360. Its totient is φ = 110150928.

The previous prime is 165456913. The next prime is 165456953. The reversal of 165456927 is 729654561.

165456927 is a `hidden beast` number, since 1 + 65 + 4 + 569 + 27 = 666.

It is not a de Polignac number, because 165456927 - 2⁸ = 165456671 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163456927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5788 + ... + 19089.

Almost surely, 2^165456927 is an apocalyptic number.

165456927 is a deficient number, since it is larger than the sum of its proper divisors (73869433).

165456927 is a wasteful number, since it uses less digits than its factorization.

165456927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25622 (or 25619 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 165456927 is about 12863.0061416451. The cubic root of 165456927 is about 548.9864827910.

The spelling of 165456927 in words is "one hundred sixty-five million, four hundred fifty-six thousand, nine hundred twenty-seven".