3657066165 has 24 divisors (see below), whose sum is σ = 6573691488. Its totient is φ = 1950434640.

The previous prime is 3657066157. The next prime is 3657066209. The reversal of 3657066165 is 5616607563.

3657066165 is a `hidden beast` number, since 3 + 6 + 570 + 66 + 16 + 5 = 666.

It is not a de Polignac number, because 3657066165 - 2³ = 3657066157 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3657066165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1503751 + ... + 1506180.

It is an arithmetic number, because the mean of its divisors is an integer number (273903812).

Almost surely, 2^3657066165 is an apocalyptic number.

It is an amenable number.

3657066165 is a deficient number, since it is larger than the sum of its proper divisors (2916625323).

3657066165 is an equidigital number, since it uses as much as digits as its factorization.

3657066165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3009951 (or 3009939 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The square root of 3657066165 is about 60473.6815895973. The cubic root of 3657066165 is about 1540.6746587161.

The spelling of 3657066165 in words is "three billion, six hundred fifty-seven million, sixty-six thousand, one hundred sixty-five".