13666000104065 has 8 divisors (see below), whose sum is σ = 16399243167720. Its totient is φ = 10932771388032.

The previous prime is 13666000104047. The next prime is 13666000104103. The reversal of 13666000104065 is 56040100066631.

13666000104065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4505256708481 + 9160743395584 = 2122559^2 + 3026672^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13666000104065 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1366460 + ... + 5403629.

It is an arithmetic number, because the mean of its divisors is an integer number (2049905395965).

Almost surely, 2^{13666000104065} is an apocalyptic number.

It is an amenable number.

13666000104065 is a deficient number, since it is larger than the sum of its proper divisors (2733243063655).

13666000104065 is an equidigital number, since it uses as much as digits as its factorization.

13666000104065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7173811.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 13666000104065 in words is "thirteen trillion, six hundred sixty-six billion, one hundred four thousand, sixty-five".