13636616665612 has 12 divisors (see below), whose sum is σ = 23932457617600. Its totient is φ = 6798771632016.

The previous prime is 13636616665591. The next prime is 13636616665613. The reversal of 13636616665612 is 21656661663631.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13636616665613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4884173628 + ... + 4884176419.

Almost surely, 2^{13636616665612} is an apocalyptic number.

It is an amenable number.

13636616665612 is a deficient number, since it is larger than the sum of its proper divisors (10295840951988).

13636616665612 is a wasteful number, since it uses less digits than its factorization.

13636616665612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9768350400 (or 9768350398 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 58.

The spelling of 13636616665612 in words is "thirteen trillion, six hundred thirty-six billion, six hundred sixteen million, six hundred sixty-five thousand, six hundred twelve".