18341186568 has 16 divisors (see below), whose sum is σ = 45852966480. Its totient is φ = 6113728848.

The previous prime is 18341186497. The next prime is 18341186569. The reversal of 18341186568 is 86568114381.

It is a self number, because there is not a number n which added to its sum of digits gives 18341186568.

It is not an unprimeable number, because it can be changed into a prime (18341186569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382108030 + ... + 382108077.

It is an arithmetic number, because the mean of its divisors is an integer number (2865810405).

Almost surely, 2^18341186568 is an apocalyptic number.

It is an amenable number.

18341186568 is an abundant number, since it is smaller than the sum of its proper divisors (27511779912).

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

18341186568 is a wasteful number, since it uses less digits than its factorization.

18341186568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764216116 (or 764216112 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 51.

The spelling of 18341186568 in words is "eighteen billion, three hundred forty-one million, one hundred eighty-six thousand, five hundred sixty-eight".