18641828182 has 8 divisors (see below), whose sum is σ = 28040634000. Its totient is φ = 9294950184.

The previous prime is 18641828167. The next prime is 18641828189. The reversal of 18641828182 is 28182814681.

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 not an unprimeable number, because it can be changed into a prime (18641828189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12981057 + ... + 12982492.

It is an arithmetic number, because the mean of its divisors is an integer number (3505079250).

Almost surely, 2^18641828182 is an apocalyptic number.

18641828182 is a deficient number, since it is larger than the sum of its proper divisors (9398805818).

18641828182 is a wasteful number, since it uses less digits than its factorization.

18641828182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25963910.

The product of its digits is 393216, while the sum is 49.

The spelling of 18641828182 in words is "eighteen billion, six hundred forty-one million, eight hundred twenty-eight thousand, one hundred eighty-two".