18768323715474 has 8 divisors (see below), whose sum is σ = 37536647430960. Its totient is φ = 6256107905156.

The previous prime is 18768323715467. The next prime is 18768323715497. The reversal of 18768323715474 is 47451732386781.

It is a happy number.

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

18768323715474 is an admirable 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, 1564026976284 + ... + 1564026976295.

It is an arithmetic number, because the mean of its divisors is an integer number (4692080928870).

Almost surely, 2^{18768323715474} is an apocalyptic number.

18768323715474 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18768323715474 is a wasteful number, since it uses less digits than its factorization.

18768323715474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128053952584.

The product of its digits is 189665280, while the sum is 66.

The spelling of 18768323715474 in words is "eighteen trillion, seven hundred sixty-eight billion, three hundred twenty-three million, seven hundred fifteen thousand, four hundred seventy-four".