18368342013436 has 12 divisors (see below), whose sum is σ = 32671559155480. Its totient is φ = 9033610826160.

The previous prime is 18368342013389. The next prime is 18368342013449. The reversal of 18368342013436 is 63431024386381.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

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, 37640044866 + ... + 37640045353.

Almost surely, 2^{18368342013436} is an apocalyptic number.

It is an amenable number.

18368342013436 is a deficient number, since it is larger than the sum of its proper divisors (14303217142044).

18368342013436 is a wasteful number, since it uses less digits than its factorization.

18368342013436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75280090284 (or 75280090282 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 52.

The spelling of 18368342013436 in words is "eighteen trillion, three hundred sixty-eight billion, three hundred forty-two million, thirteen thousand, four hundred thirty-six".