18338675612 has 6 divisors (see below), whose sum is σ = 32092682328. Its totient is φ = 9169337804.

The previous prime is 18338675603. The next prime is 18338675623. The reversal of 18338675612 is 21657683381.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2292334448 + ... + 2292334455.

It is an arithmetic number, because the mean of its divisors is an integer number (5348780388).

Almost surely, 2^18338675612 is an apocalyptic number.

It is an amenable number.

18338675612 is a deficient number, since it is larger than the sum of its proper divisors (13754006716).

18338675612 is a wasteful number, since it uses less digits than its factorization.

18338675612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584668907 (or 4584668905 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The spelling of 18338675612 in words is "eighteen billion, three hundred thirty-eight million, six hundred seventy-five thousand, six hundred twelve".