165045892 has 24 divisors (see below), whose sum is σ = 320433120. Its totient is φ = 73748160.

The previous prime is 165045871. The next prime is 165045899. The reversal of 165045892 is 298540561.

It is not an unprimeable number, because it can be changed into a prime (165045899) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 29193 + ... + 34384.

It is an arithmetic number, because the mean of its divisors is an integer number (13351380).

Almost surely, 2^165045892 is an apocalyptic number.

It is an amenable number.

165045892 is a deficient number, since it is larger than the sum of its proper divisors (155387228).

165045892 is a wasteful number, since it uses less digits than its factorization.

165045892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63651 (or 63649 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 165045892 is about 12847.0187981492. The cubic root of 165045892 is about 548.5315007806.

The spelling of 165045892 in words is "one hundred sixty-five million, forty-five thousand, eight hundred ninety-two".