12818666016 has 336 divisors, whose sum is σ = 41738469696. Its totient is φ = 3848560128.

The previous prime is 12818666011. The next prime is 12818666033. The reversal of 12818666016 is 61066681821.

It is not an unprimeable number, because it can be changed into a prime (12818666011) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 13039861 + ... + 13040843.

It is an arithmetic number, because the mean of its divisors is an integer number (124221636).

Almost surely, 2^12818666016 is an apocalyptic number.

12818666016 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 12818666016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20869234848).

12818666016 is an abundant number, since it is smaller than the sum of its proper divisors (28919803680).

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

12818666016 is an equidigital number, since it uses as much as digits as its factorization.

12818666016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 12818666016 in words is "twelve billion, eight hundred eighteen million, six hundred sixty-six thousand, sixteen".