18701683366685 has 16 divisors (see below), whose sum is σ = 24504121579392. Its totient is φ = 13589047656000.

The previous prime is 18701683366643. The next prime is 18701683366703. The reversal of 18701683366685 is 58666338610781.

It is a de Polignac number, because none of the positive numbers 2^k-18701683366685 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 152145641 + ... + 152268510.

It is an arithmetic number, because the mean of its divisors is an integer number (1531507598712).

Almost surely, 2^{18701683366685} is an apocalyptic number.

It is an amenable number.

18701683366685 is a deficient number, since it is larger than the sum of its proper divisors (5802438212707).

18701683366685 is a wasteful number, since it uses less digits than its factorization.

18701683366685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304415284.

The product of its (nonzero) digits is 209018880, while the sum is 68.

The spelling of 18701683366685 in words is "eighteen trillion, seven hundred one billion, six hundred eighty-three million, three hundred sixty-six thousand, six hundred eighty-five".