13381812366 has 32 divisors (see below), whose sum is σ = 30339335040. Its totient is φ = 3900770784.

The previous prime is 13381812341. The next prime is 13381812373. The reversal of 13381812366 is 66321818331.

It is a congruent number.

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, 4513300 + ... + 4516263.

It is an arithmetic number, because the mean of its divisors is an integer number (948104220).

Almost surely, 2^13381812366 is an apocalyptic number.

13381812366 is an abundant number, since it is smaller than the sum of its proper divisors (16957522674).

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

13381812366 is a wasteful number, since it uses less digits than its factorization.

13381812366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9029600.

The product of its digits is 124416, while the sum is 42.

The spelling of 13381812366 in words is "thirteen billion, three hundred eighty-one million, eight hundred twelve thousand, three hundred sixty-six".