165648932 has 6 divisors (see below), whose sum is σ = 289885638. Its totient is φ = 82824464.

The previous prime is 165648929. The next prime is 165648953. The reversal of 165648932 is 239846561.

It can be written as a sum of positive squares in only one way, i.e., 136983616 + 28665316 = 11704^2 + 5354^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20706113 + ... + 20706120.

It is an arithmetic number, because the mean of its divisors is an integer number (48314273).

Almost surely, 2^165648932 is an apocalyptic number.

It is an amenable number.

165648932 is a deficient number, since it is larger than the sum of its proper divisors (124236706).

165648932 is a wasteful number, since it uses less digits than its factorization.

165648932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41412237 (or 41412235 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The square root of 165648932 is about 12870.4674351789. The cubic root of 165648932 is about 549.1987583846.

The spelling of 165648932 in words is "one hundred sixty-five million, six hundred forty-eight thousand, nine hundred thirty-two".