13662036665 has 8 divisors (see below), whose sum is σ = 16639137600. Its totient is φ = 10766500272.

The previous prime is 13662036653. The next prime is 13662036671. The reversal of 13662036665 is 56663026631.

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

It is a cyclic number.

It is not a de Polignac number, because 13662036665 - 2⁴ = 13662036649 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, 20390765 + ... + 20391434.

It is an arithmetic number, because the mean of its divisors is an integer number (2079892200).

Almost surely, 2^13662036665 is an apocalyptic number.

It is an amenable number.

13662036665 is a deficient number, since it is larger than the sum of its proper divisors (2977100935).

13662036665 is an equidigital number, since it uses as much as digits as its factorization.

13662036665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40782271.

The product of its (nonzero) digits is 699840, while the sum is 44.

The spelling of 13662036665 in words is "thirteen billion, six hundred sixty-two million, thirty-six thousand, six hundred sixty-five".