165713944 has 16 divisors (see below), whose sum is σ = 338960520. Its totient is φ = 75324480.

The previous prime is 165713939. The next prime is 165713957. The reversal of 165713944 is 449317561.

It is a super-2 number, since 2×165713944² = 54922222472070272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 165713897 and 165713906.

It is a congruent number.

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, 941469 + ... + 941644.

Almost surely, 2^165713944 is an apocalyptic number.

It is an amenable number.

165713944 is an abundant number, since it is smaller than the sum of its proper divisors (173246576).

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

165713944 is a wasteful number, since it uses less digits than its factorization.

165713944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883130 (or 1883126 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 165713944 is about 12872.9928144158. The cubic root of 165713944 is about 549.2705967383.

The spelling of 165713944 in words is "one hundred sixty-five million, seven hundred thirteen thousand, nine hundred forty-four".