18383820182 has 32 divisors (see below), whose sum is σ = 34048594944. Its totient is φ = 7249312800.

The previous prime is 18383820149. The next prime is 18383820187. The reversal of 18383820182 is 28102838381.

It is a super-2 number, since 2×18383820182² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18383820187) 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 15 ways as a sum of consecutive naturals, for example, 105794 + ... + 218997.

It is an arithmetic number, because the mean of its divisors is an integer number (1064018592).

Almost surely, 2^18383820182 is an apocalyptic number.

18383820182 is a deficient number, since it is larger than the sum of its proper divisors (15664774762).

18383820182 is a wasteful number, since it uses less digits than its factorization.

18383820182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325124.

The product of its (nonzero) digits is 147456, while the sum is 44.

The spelling of 18383820182 in words is "eighteen billion, three hundred eighty-three million, eight hundred twenty thousand, one hundred eighty-two".