18083408000 has 128 divisors (see below), whose sum is σ = 51383030400. Its totient is φ = 6199987200.

The previous prime is 18083407999. The next prime is 18083408027. The reversal of 18083408000 is 80438081.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31271 + ... + 192729.

It is an arithmetic number, because the mean of its divisors is an integer number (401429925).

Almost surely, 2^18083408000 is an apocalyptic number.

18083408000 is a gapful number since it is divisible by the number (10) 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 18083408000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25691515200).

18083408000 is an abundant number, since it is smaller than the sum of its proper divisors (33299622400).

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

18083408000 is an equidigital number, since it uses as much as digits as its factorization.

18083408000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161495 (or 161473 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The spelling of 18083408000 in words is "eighteen billion, eighty-three million, four hundred eight thousand".