3686355918380 has 48 divisors (see below), whose sum is σ = 7828682400000. Its totient is φ = 1457908632576.

The previous prime is 3686355918331. The next prime is 3686355918437. The reversal of 3686355918380 is 838195536863.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64049456 + ... + 64106984.

It is an arithmetic number, because the mean of its divisors is an integer number (163097550000).

Almost surely, 2^{3686355918380} is an apocalyptic number.

It is an amenable number.

3686355918380 is an abundant number, since it is smaller than the sum of its proper divisors (4142326481620).

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

3686355918380 is a wasteful number, since it uses less digits than its factorization.

3686355918380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93626 (or 93624 counting only the distinct ones).

The product of its (nonzero) digits is 111974400, while the sum is 65.

The spelling of 3686355918380 in words is "three trillion, six hundred eighty-six billion, three hundred fifty-five million, nine hundred eighteen thousand, three hundred eighty".