165190768 has 20 divisors (see below), whose sum is σ = 338884560. Its totient is φ = 77736704.

The previous prime is 165190741. The next prime is 165190783. The reversal of 165190768 is 867091561.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303388 + ... + 303931.

It is an arithmetic number, because the mean of its divisors is an integer number (16944228).

Almost surely, 2^165190768 is an apocalyptic number.

It is an amenable number.

165190768 is an abundant number, since it is smaller than the sum of its proper divisors (173693792).

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

165190768 is a wasteful number, since it uses less digits than its factorization.

165190768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607344 (or 607338 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 165190768 is about 12852.6560679106. The cubic root of 165190768 is about 548.6919527366.

The spelling of 165190768 in words is "one hundred sixty-five million, one hundred ninety thousand, seven hundred sixty-eight".