165022768 has 20 divisors (see below), whose sum is σ = 321503728. Its totient is φ = 82054080.

The previous prime is 165022729. The next prime is 165022811. The reversal of 165022768 is 867220561.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25596 + ... + 31387.

Almost surely, 2^165022768 is an apocalyptic number.

It is an amenable number.

165022768 is a deficient number, since it is larger than the sum of its proper divisors (156480960).

165022768 is a wasteful number, since it uses less digits than its factorization.

165022768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57172 (or 57166 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 165022768 is about 12846.1187912926. The cubic root of 165022768 is about 548.5058819770.

The spelling of 165022768 in words is "one hundred sixty-five million, twenty-two thousand, seven hundred sixty-eight".