3665302164 has 72 divisors (see below), whose sum is σ = 9625936320. Its totient is φ = 1219515264.

The previous prime is 3665302159. The next prime is 3665302213. The reversal of 3665302164 is 4612035663.

3665302164 is a `hidden beast` number, since 3 + 66 + 530 + 2 + 1 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 573217 + ... + 579575.

It is an arithmetic number, because the mean of its divisors is an integer number (133693560).

Almost surely, 2^3665302164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3665302164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4812968160).

3665302164 is an abundant number, since it is smaller than the sum of its proper divisors (5960634156).

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

3665302164 is a wasteful number, since it uses less digits than its factorization.

3665302164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6971 (or 6957 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 3665302164 is about 60541.7390235860. The cubic root of 3665302164 is about 1541.8303648423.

The spelling of 3665302164 in words is "three billion, six hundred sixty-five million, three hundred two thousand, one hundred sixty-four".