165213392 has 20 divisors (see below), whose sum is σ = 320800896. Its totient is φ = 82426080.

The previous prime is 165213383. The next prime is 165213397. The reversal of 165213392 is 293312561.

165213392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×165213392² = 54590929792291328, which contains 22 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165213397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3584 + ... + 18527.

Almost surely, 2^165213392 is an apocalyptic number.

It is an amenable number.

165213392 is a deficient number, since it is larger than the sum of its proper divisors (155587504).

165213392 is a wasteful number, since it uses less digits than its factorization.

165213392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22586 (or 22580 counting only the distinct ones).

The product of its digits is 9720, while the sum is 32.

The square root of 165213392 is about 12853.5361671409. The cubic root of 165213392 is about 548.7170006256.

The spelling of 165213392 in words is "one hundred sixty-five million, two hundred thirteen thousand, three hundred ninety-two".