18673423760686 has 8 divisors (see below), whose sum is σ = 28010204064360. Its totient is φ = 9336689072568.

The previous prime is 18673423760671. The next prime is 18673423760689. The reversal of 18673423760686 is 68606732437681.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18673423760689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10361416 + ... + 12029371.

It is an arithmetic number, because the mean of its divisors is an integer number (3501275508045).

Almost surely, 2^{18673423760686} is an apocalyptic number.

18673423760686 is a deficient number, since it is larger than the sum of its proper divisors (9336780303674).

18673423760686 is a wasteful number, since it uses less digits than its factorization.

18673423760686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22807778.

The product of its (nonzero) digits is 292626432, while the sum is 67.

The spelling of 18673423760686 in words is "eighteen trillion, six hundred seventy-three billion, four hundred twenty-three million, seven hundred sixty thousand, six hundred eighty-six".