18860022044636 has 12 divisors (see below), whose sum is σ = 33008768444400. Its totient is φ = 9428945346240.

The previous prime is 18860022044627. The next prime is 18860022044681. The reversal of 18860022044636 is 63644022006881.

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, 266379200 + ... + 266449991.

It is an arithmetic number, because the mean of its divisors is an integer number (2750730703700).

Almost surely, 2^{18860022044636} is an apocalyptic number.

It is an amenable number.

18860022044636 is a deficient number, since it is larger than the sum of its proper divisors (14148746399764).

18860022044636 is a wasteful number, since it uses less digits than its factorization.

18860022044636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532838044 (or 532838042 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 50.

The spelling of 18860022044636 in words is "eighteen trillion, eight hundred sixty billion, twenty-two million, forty-four thousand, six hundred thirty-six".