18187283485056 has 512 divisors, whose sum is σ = 58049420083200. Its totient is φ = 4932799635456.

The previous prime is 18187283485027. The next prime is 18187283485099. The reversal of 18187283485056 is 65058438278181.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7775665135 + ... + 7775667473.

It is an arithmetic number, because the mean of its divisors is an integer number (113377773600).

Almost surely, 2^{18187283485056} is an apocalyptic number.

18187283485056 is a gapful number since it is divisible by the number (16) 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 18187283485056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29024710041600).

18187283485056 is an abundant number, since it is smaller than the sum of its proper divisors (39862136598144).

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

18187283485056 is a wasteful number, since it uses less digits than its factorization.

18187283485056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3286 (or 3274 counting only the distinct ones).

The product of its (nonzero) digits is 103219200, while the sum is 66.

The spelling of 18187283485056 in words is "eighteen trillion, one hundred eighty-seven billion, two hundred eighty-three million, four hundred eighty-five thousand, fifty-six".