13380291666036 has 18 divisors (see below), whose sum is σ = 33822403933682. Its totient is φ = 4460097222000.

The previous prime is 13380291665999. The next prime is 13380291666043. The reversal of 13380291666036 is 63066619208331.

It can be written as a sum of positive squares in only one way, i.e., 7035968451600 + 6344323214436 = 2652540^2 + 2518794^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 185837384215 + ... + 185837384286.

Almost surely, 2^{13380291666036} is an apocalyptic number.

It is an amenable number.

13380291666036 is an abundant number, since it is smaller than the sum of its proper divisors (20442112267646).

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

13380291666036 is a wasteful number, since it uses less digits than its factorization.

13380291666036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371674768511 (or 371674768506 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 54.

The spelling of 13380291666036 in words is "thirteen trillion, three hundred eighty billion, two hundred ninety-one million, six hundred sixty-six thousand, thirty-six".