6818226912 has 432 divisors, whose sum is σ = 24200467200. Its totient is φ = 1810045440.

The previous prime is 6818226889. The next prime is 6818226967. The reversal of 6818226912 is 2196228186.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 15819337 + ... + 15819767.

It is an arithmetic number, because the mean of its divisors is an integer number (56019600).

Almost surely, 2^6818226912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6818226912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12100233600).

6818226912 is an abundant number, since it is smaller than the sum of its proper divisors (17382240288).

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

6818226912 is a wasteful number, since it uses less digits than its factorization.

6818226912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 521 counting only the distinct ones).

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

The square root of 6818226912 is about 82572.5554406547. Note that the first 3 decimals coincide. The cubic root of 6818226912 is about 1896.2276872320.

The spelling of 6818226912 in words is "six billion, eight hundred eighteen million, two hundred twenty-six thousand, nine hundred twelve".