18668683342 has 8 divisors (see below), whose sum is σ = 28397434032. Its totient is φ = 9202872000.

The previous prime is 18668683337. The next prime is 18668683367. The reversal of 18668683342 is 24338686681.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65734659 + ... + 65734942.

It is an arithmetic number, because the mean of its divisors is an integer number (3549679254).

Almost surely, 2^18668683342 is an apocalyptic number.

18668683342 is a deficient number, since it is larger than the sum of its proper divisors (9728750690).

18668683342 is a wasteful number, since it uses less digits than its factorization.

18668683342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131469674.

The product of its digits is 7962624, while the sum is 55.

The spelling of 18668683342 in words is "eighteen billion, six hundred sixty-eight million, six hundred eighty-three thousand, three hundred forty-two".