3665607212 has 12 divisors (see below), whose sum is σ = 6417032160. Its totient is φ = 1832169456.

The previous prime is 3665607193. The next prime is 3665607217. The reversal of 3665607212 is 2127065663.

It is not an unprimeable number, because it can be changed into a prime (3665607217) 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, 145412 + ... + 168747.

It is an arithmetic number, because the mean of its divisors is an integer number (534752680).

Almost surely, 2^3665607212 is an apocalyptic number.

It is an amenable number.

3665607212 is a deficient number, since it is larger than the sum of its proper divisors (2751424948).

3665607212 is a wasteful number, since it uses less digits than its factorization.

3665607212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317080 (or 317078 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 3665607212 is about 60544.2582909395. The cubic root of 3665607212 is about 1541.8731370523.

The spelling of 3665607212 in words is "three billion, six hundred sixty-five million, six hundred seven thousand, two hundred twelve".