165293764 has 12 divisors (see below), whose sum is σ = 289414188. Its totient is φ = 82604000.

The previous prime is 165293759. The next prime is 165293773. The reversal of 165293764 is 467392561.

165293764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 131560900 + 33732864 = 11470^2 + 5808^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 165293764.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1087 + ... + 18214.

It is an arithmetic number, because the mean of its divisors is an integer number (24117849).

Almost surely, 2^165293764 is an apocalyptic number.

It is an amenable number.

165293764 is a deficient number, since it is larger than the sum of its proper divisors (124120424).

165293764 is a wasteful number, since it uses less digits than its factorization.

165293764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21446 (or 21444 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The square root of 165293764 is about 12856.6622418107. The cubic root of 165293764 is about 548.8059650305.

The spelling of 165293764 in words is "one hundred sixty-five million, two hundred ninety-three thousand, seven hundred sixty-four".