18080683824 has 160 divisors (see below), whose sum is σ = 57623454720. Its totient is φ = 4770855936.

The previous prime is 18080683813. The next prime is 18080683843. The reversal of 18080683824 is 42838608081.

It is a super-2 number, since 2×18080683824² (a number of 21 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 183774 + ... + 264450.

It is an arithmetic number, because the mean of its divisors is an integer number (360146592).

Almost surely, 2^18080683824 is an apocalyptic number.

18080683824 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 18080683824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28811727360).

18080683824 is an abundant number, since it is smaller than the sum of its proper divisors (39542770896).

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

18080683824 is a wasteful number, since it uses less digits than its factorization.

18080683824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80747 (or 80741 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 48.

The spelling of 18080683824 in words is "eighteen billion, eighty million, six hundred eighty-three thousand, eight hundred twenty-four".