165379556 has 12 divisors (see below), whose sum is σ = 289856700. Its totient is φ = 82563360.

The previous prime is 165379531. The next prime is 165379567. The reversal of 165379556 is 655973561.

165379556 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 154157056 + 11222500 = 12416^2 + 3350^2 .

165379556 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 165379556.

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, 28631 + ... + 33918.

It is an arithmetic number, because the mean of its divisors is an integer number (24154725).

Almost surely, 2^165379556 is an apocalyptic number.

It is an amenable number.

165379556 is a deficient number, since it is larger than the sum of its proper divisors (124477144).

165379556 is a wasteful number, since it uses less digits than its factorization.

165379556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63214 (or 63212 counting only the distinct ones).

The product of its digits is 850500, while the sum is 47.

The square root of 165379556 is about 12859.9982892689. The cubic root of 165379556 is about 548.9008970609.

The spelling of 165379556 in words is "one hundred sixty-five million, three hundred seventy-nine thousand, five hundred fifty-six".