165328412 has 24 divisors (see below), whose sum is σ = 296137296. Its totient is φ = 80732288.

The previous prime is 165328381. The next prime is 165328453. The reversal of 165328412 is 214823561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47723 + ... + 51069.

It is an arithmetic number, because the mean of its divisors is an integer number (12339054).

Almost surely, 2^165328412 is an apocalyptic number.

It is an amenable number.

165328412 is a deficient number, since it is larger than the sum of its proper divisors (130808884).

165328412 is a wasteful number, since it uses less digits than its factorization.

165328412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3637 (or 3635 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 165328412 is about 12858.0096437979. The cubic root of 165328412 is about 548.8443082810.

The spelling of 165328412 in words is "one hundred sixty-five million, three hundred twenty-eight thousand, four hundred twelve".