165386764 has 6 divisors (see below), whose sum is σ = 289426844. Its totient is φ = 82693380.

The previous prime is 165386731. The next prime is 165386807. The reversal of 165386764 is 467683561.

165386764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20673342 + ... + 20673349.

Almost surely, 2^165386764 is an apocalyptic number.

It is an amenable number.

165386764 is a deficient number, since it is larger than the sum of its proper divisors (124040080).

165386764 is a wasteful number, since it uses less digits than its factorization.

165386764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41346695 (or 41346693 counting only the distinct ones).

The product of its digits is 725760, while the sum is 46.

The square root of 165386764 is about 12860.2785350862. The cubic root of 165386764 is about 548.9088714851.

The spelling of 165386764 in words is "one hundred sixty-five million, three hundred eighty-six thousand, seven hundred sixty-four".