18138740083670 has 8 divisors (see below), whose sum is σ = 32649732150624. Its totient is φ = 7255496033464.

The previous prime is 18138740083663. The next prime is 18138740083727. The reversal of 18138740083670 is 7638004783181.

It is a happy number.

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, 906937004174 + ... + 906937004193.

It is an arithmetic number, because the mean of its divisors is an integer number (4081216518828).

Almost surely, 2^{18138740083670} is an apocalyptic number.

18138740083670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18138740083670 is a deficient number, since it is larger than the sum of its proper divisors (14510992066954).

18138740083670 is a wasteful number, since it uses less digits than its factorization.

18138740083670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813874008374.

The product of its (nonzero) digits is 5419008, while the sum is 56.

The spelling of 18138740083670 in words is "eighteen trillion, one hundred thirty-eight billion, seven hundred forty million, eighty-three thousand, six hundred seventy".