18378690182 has 8 divisors (see below), whose sum is σ = 27710875416. Its totient is φ = 9141731712.

The previous prime is 18378690149. The next prime is 18378690229. The reversal of 18378690182 is 28109687381.

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, 23806208 + ... + 23806979.

It is an arithmetic number, because the mean of its divisors is an integer number (3463859427).

Almost surely, 2^18378690182 is an apocalyptic number.

18378690182 is a deficient number, since it is larger than the sum of its proper divisors (9332185234).

18378690182 is a wasteful number, since it uses less digits than its factorization.

18378690182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47613382.

The product of its (nonzero) digits is 1161216, while the sum is 53.

The spelling of 18378690182 in words is "eighteen billion, three hundred seventy-eight million, six hundred ninety thousand, one hundred eighty-two".