18104582208 has 112 divisors (see below), whose sum is σ = 51290159040. Its totient is φ = 5615960064.

The previous prime is 18104582207. The next prime is 18104582311. The reversal of 18104582208 is 80228540181.

It is not an unprimeable number, because it can be changed into a prime (18104582201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259335 + ... + 321657.

Almost surely, 2^18104582208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18104582208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25645079520).

18104582208 is an abundant number, since it is smaller than the sum of its proper divisors (33185576832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18104582208 is a wasteful number, since it uses less digits than its factorization.

18104582208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62444 (or 62434 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 39.

The spelling of 18104582208 in words is "eighteen billion, one hundred four million, five hundred eighty-two thousand, two hundred eight".