165475146 has 16 divisors (see below), whose sum is σ = 331077024. Its totient is φ = 55137264.

The previous prime is 165475111. The next prime is 165475147. The reversal of 165475146 is 641574561.

It is not an unprimeable number, because it can be changed into a prime (165475147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25485 + ... + 31311.

It is an arithmetic number, because the mean of its divisors is an integer number (20692314).

Almost surely, 2^165475146 is an apocalyptic number.

165475146 is an abundant number, since it is smaller than the sum of its proper divisors (165601878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165475146 is a wasteful number, since it uses less digits than its factorization.

165475146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10565.

The product of its digits is 100800, while the sum is 39.

The square root of 165475146 is about 12863.7143158576. The cubic root of 165475146 is about 549.0066322801.

The spelling of 165475146 in words is "one hundred sixty-five million, four hundred seventy-five thousand, one hundred forty-six".