165579952 has 20 divisors (see below), whose sum is σ = 325331856. Its totient is φ = 81623360.

The previous prime is 165579943. The next prime is 165579977. The reversal of 165579952 is 259975561.

165579952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 165579896 and 165579905.

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, 71743 + ... + 74014.

Almost surely, 2^165579952 is an apocalyptic number.

It is an amenable number.

165579952 is a deficient number, since it is larger than the sum of its proper divisors (159751904).

165579952 is a wasteful number, since it uses less digits than its factorization.

165579952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145836 (or 145830 counting only the distinct ones).

The product of its digits is 850500, while the sum is 49.

The square root of 165579952 is about 12867.7873777895. The cubic root of 165579952 is about 549.1225148301.

The spelling of 165579952 in words is "one hundred sixty-five million, five hundred seventy-nine thousand, nine hundred fifty-two".