18332504064 has 624 divisors, whose sum is σ = 67231728000. Its totient is φ = 4904976384.

The previous prime is 18332504063. The next prime is 18332504083. The reversal of 18332504064 is 46040523381.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18332504063) 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 47 ways as a sum of consecutive naturals, for example, 92123037 + ... + 92123235.

Almost surely, 2^18332504064 is an apocalyptic number.

18332504064 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 18332504064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33615864000).

18332504064 is an abundant number, since it is smaller than the sum of its proper divisors (48899223936).

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

18332504064 is a wasteful number, since it uses less digits than its factorization.

18332504064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 18332504064 in words is "eighteen billion, three hundred thirty-two million, five hundred four thousand, sixty-four".