165014665 has 12 divisors (see below), whose sum is σ = 210352716. Its totient is φ = 124245248.

The previous prime is 165014659. The next prime is 165014687. The reversal of 165014665 is 566410561.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 19474569 + 145540096 = 4413^2 + 12064^2 .

It is not a de Polignac number, because 165014665 - 2³ = 165014657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165014665.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55654 + ... + 58543.

It is an arithmetic number, because the mean of its divisors is an integer number (17529393).

Almost surely, 2^165014665 is an apocalyptic number.

It is an amenable number.

165014665 is a deficient number, since it is larger than the sum of its proper divisors (45338051).

165014665 is a wasteful number, since it uses less digits than its factorization.

165014665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114236 (or 114219 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 165014665 is about 12845.8034003327. The cubic root of 165014665 is about 548.4969041938.

The spelling of 165014665 in words is "one hundred sixty-five million, fourteen thousand, six hundred sixty-five".