18682230563886 has 16 divisors (see below), whose sum is σ = 38989002916224. Its totient is φ = 5956653223224.

The previous prime is 18682230563851. The next prime is 18682230563923. The reversal of 18682230563886 is 68836503228681.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67689241036 + ... + 67689241311.

It is an arithmetic number, because the mean of its divisors is an integer number (2436812682264).

Almost surely, 2^{18682230563886} is an apocalyptic number.

18682230563886 is an abundant number, since it is smaller than the sum of its proper divisors (20306772352338).

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

18682230563886 is a wasteful number, since it uses less digits than its factorization.

18682230563886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135378482375.

The product of its (nonzero) digits is 159252480, while the sum is 66.

The spelling of 18682230563886 in words is "eighteen trillion, six hundred eighty-two billion, two hundred thirty million, five hundred sixty-three thousand, eight hundred eighty-six".