18363728182 has 8 divisors (see below), whose sum is σ = 27549184896. Its totient is φ = 9180666552.

The previous prime is 18363728179. The next prime is 18363728183. The reversal of 18363728182 is 28182736381.

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 (18363728183) 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, 579478 + ... + 610345.

It is an arithmetic number, because the mean of its divisors is an integer number (3443648112).

Almost surely, 2^18363728182 is an apocalyptic number.

18363728182 is a deficient number, since it is larger than the sum of its proper divisors (9185456714).

18363728182 is a wasteful number, since it uses less digits than its factorization.

18363728182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197542.

The product of its digits is 774144, while the sum is 49.

The spelling of 18363728182 in words is "eighteen billion, three hundred sixty-three million, seven hundred twenty-eight thousand, one hundred eighty-two".