165456063 has 6 divisors (see below), whose sum is σ = 238992104. Its totient is φ = 110304036.

The previous prime is 165456061. The next prime is 165456077. The reversal of 165456063 is 360654561.

165456063 is a `hidden beast` number, since 1 + 6 + 5 + 45 + 606 + 3 = 666.

It is not a de Polignac number, because 165456063 - 2¹ = 165456061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165456061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9191995 + ... + 9192012.

Almost surely, 2^165456063 is an apocalyptic number.

165456063 is a deficient number, since it is larger than the sum of its proper divisors (73536041).

165456063 is a wasteful number, since it uses less digits than its factorization.

165456063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18384013 (or 18384010 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 165456063 is about 12862.9725569170. The cubic root of 165456063 is about 548.9855272046.

The spelling of 165456063 in words is "one hundred sixty-five million, four hundred fifty-six thousand, sixty-three".