63165165 has 32 divisors (see below), whose sum is σ = 117868800. Its totient is φ = 28873152.

The previous prime is 63165163. The next prime is 63165181. The reversal of 63165165 is 56156136.

It is not a de Polignac number, because 63165165 - 2¹ = 63165163 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63165163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 994 + ... + 11283.

It is an arithmetic number, because the mean of its divisors is an integer number (3683400).

Almost surely, 2^63165165 is an apocalyptic number.

It is an amenable number.

63165165 is a deficient number, since it is larger than the sum of its proper divisors (54703635).

63165165 is a wasteful number, since it uses less digits than its factorization.

63165165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12306 (or 12292 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The square root of 63165165 is about 7947.6515399205. The cubic root of 63165165 is about 398.2531427463.

The spelling of 63165165 in words is "sixty-three million, one hundred sixty-five thousand, one hundred sixty-five".