18371141386 has 16 divisors (see below), whose sum is σ = 30699786600. Its totient is φ = 8186609088.

The previous prime is 18371141351. The next prime is 18371141413. The reversal of 18371141386 is 68314117381.

It can be written as a sum of positive squares in 4 ways, for example, as 16366340761 + 2004800625 = 127931^2 + 44775^2 .

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, 12181701 + ... + 12183208.

Almost surely, 2^18371141386 is an apocalyptic number.

18371141386 is a deficient number, since it is larger than the sum of its proper divisors (12328645214).

18371141386 is a wasteful number, since it uses less digits than its factorization.

18371141386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24364953.

The product of its digits is 96768, while the sum is 43.

The spelling of 18371141386 in words is "eighteen billion, three hundred seventy-one million, one hundred forty-one thousand, three hundred eighty-six".