165893372 has 12 divisors (see below), whose sum is σ = 290428320. Its totient is φ = 82913856.

The previous prime is 165893359. The next prime is 165893381. The reversal of 165893372 is 273398561.

It is a super-2 number, since 2×165893372² = 55041221747060768, which contains 22 as substring.

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, 5828 + ... + 19124.

It is an arithmetic number, because the mean of its divisors is an integer number (24202360).

Almost surely, 2^165893372 is an apocalyptic number.

It is an amenable number.

165893372 is a deficient number, since it is larger than the sum of its proper divisors (124534948).

165893372 is a wasteful number, since it uses less digits than its factorization.

165893372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16420 (or 16418 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The square root of 165893372 is about 12879.9600931059. The cubic root of 165893372 is about 549.4687675006.

The spelling of 165893372 in words is "one hundred sixty-five million, eight hundred ninety-three thousand, three hundred seventy-two".