165495946 has 16 divisors (see below), whose sum is σ = 309499200. Its totient is φ = 64478880.

The previous prime is 165495929. The next prime is 165495973. The reversal of 165495946 is 649594561.

It is a self number, because there is not a number n which added to its sum of digits gives 165495946.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537171 + ... + 537478.

It is an arithmetic number, because the mean of its divisors is an integer number (19343700).

Almost surely, 2^165495946 is an apocalyptic number.

165495946 is a deficient number, since it is larger than the sum of its proper divisors (144003254).

165495946 is a wasteful number, since it uses less digits than its factorization.

165495946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074669.

The product of its digits is 1166400, while the sum is 49.

The square root of 165495946 is about 12864.5227661192. The cubic root of 165495946 is about 549.0296344445.

The spelling of 165495946 in words is "one hundred sixty-five million, four hundred ninety-five thousand, nine hundred forty-six".