18675116186 has 8 divisors (see below), whose sum is σ = 28018451604. Its totient is φ = 9335632320.

The previous prime is 18675116183. The next prime is 18675116231. The reversal of 18675116186 is 68161157681.

It can be written as a sum of positive squares in 2 ways, for example, as 16339230625 + 2335885561 = 127825^2 + 48331^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18675116183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 950735 + ... + 970178.

Almost surely, 2^18675116186 is an apocalyptic number.

18675116186 is a deficient number, since it is larger than the sum of its proper divisors (9343335418).

18675116186 is a wasteful number, since it uses less digits than its factorization.

18675116186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925776.

The product of its digits is 483840, while the sum is 50.

The spelling of 18675116186 in words is "eighteen billion, six hundred seventy-five million, one hundred sixteen thousand, one hundred eighty-six".