18336055584 has 768 divisors, whose sum is σ = 66886041600. Its totient is φ = 4346496000.

The previous prime is 18336055567. The next prime is 18336055603. The reversal of 18336055584 is 48555063381.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 258254269 + ... + 258254339.

It is an arithmetic number, because the mean of its divisors is an integer number (87091200).

Almost surely, 2^18336055584 is an apocalyptic number.

18336055584 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18336055584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33443020800).

18336055584 is an abundant number, since it is smaller than the sum of its proper divisors (48549986016).

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

18336055584 is a wasteful number, since it uses less digits than its factorization.

18336055584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 18336055584 in words is "eighteen billion, three hundred thirty-six million, fifty-five thousand, five hundred eighty-four".