3665620604 has 12 divisors (see below), whose sum is σ = 6441455328. Its totient is φ = 1825204800.

The previous prime is 3665620603. The next prime is 3665620627. The reversal of 3665620604 is 4060265663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665620603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1900292 + ... + 1902219.

It is an arithmetic number, because the mean of its divisors is an integer number (536787944).

Almost surely, 2^3665620604 is an apocalyptic number.

It is an amenable number.

3665620604 is a deficient number, since it is larger than the sum of its proper divisors (2775834724).

3665620604 is a wasteful number, since it uses less digits than its factorization.

3665620604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3802756 (or 3802754 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 38.

The square root of 3665620604 is about 60544.3688876183. The cubic root of 3665620604 is about 1541.8750147530.

The spelling of 3665620604 in words is "three billion, six hundred sixty-five million, six hundred twenty thousand, six hundred four".