3665116602 has 108 divisors (see below), whose sum is σ = 9355606650. Its totient is φ = 1033919712.

The previous prime is 3665116589. The next prime is 3665116687. The reversal of 3665116602 is 2066115663.

3665116602 is a `hidden beast` number, since 36 + 6 + 5 + 1 + 16 + 602 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3554425161 + 110691441 = 59619^2 + 10521^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 21946723 + ... + 21946889.

Almost surely, 2^3665116602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3665116602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4677803325).

3665116602 is an abundant number, since it is smaller than the sum of its proper divisors (5690490048).

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

3665116602 is a wasteful number, since it uses less digits than its factorization.

3665116602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 3665116602 is about 60540.2064912237. The cubic root of 3665116602 is about 1541.8043451636.

The spelling of 3665116602 in words is "three billion, six hundred sixty-five million, one hundred sixteen thousand, six hundred two".