18362136686 has 8 divisors (see below), whose sum is σ = 27543840744. Its totient is φ = 9180856440.

The previous prime is 18362136671. The next prime is 18362136691. The reversal of 18362136686 is 68663126381.

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

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, 45881 + ... + 197051.

It is an arithmetic number, because the mean of its divisors is an integer number (3442980093).

Almost surely, 2^18362136686 is an apocalyptic number.

18362136686 is a deficient number, since it is larger than the sum of its proper divisors (9181704058).

18362136686 is a wasteful number, since it uses less digits than its factorization.

18362136686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211906.

The product of its digits is 1492992, while the sum is 50.

The spelling of 18362136686 in words is "eighteen billion, three hundred sixty-two million, one hundred thirty-six thousand, six hundred eighty-six".