3693220660 has 12 divisors (see below), whose sum is σ = 7755763428. Its totient is φ = 1477288256.

The previous prime is 3693220649. The next prime is 3693220669. The reversal of 3693220660 is 660223963.

It can be written as a sum of positive squares in 2 ways, for example, as 715990564 + 2977230096 = 26758^2 + 54564^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3693220669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92330497 + ... + 92330536.

It is an arithmetic number, because the mean of its divisors is an integer number (646313619).

Almost surely, 2^3693220660 is an apocalyptic number.

It is an amenable number.

3693220660 is an abundant number, since it is smaller than the sum of its proper divisors (4062542768).

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

3693220660 is a wasteful number, since it uses less digits than its factorization.

3693220660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184661042 (or 184661040 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 37.

The square root of 3693220660 is about 60771.8739220702. The cubic root of 3693220660 is about 1545.7351591172.

The spelling of 3693220660 in words is "three billion, six hundred ninety-three million, two hundred twenty thousand, six hundred sixty".