6818795520 has 416 divisors, whose sum is σ = 23354179200. Its totient is φ = 1695547392.

The previous prime is 6818795509. The next prime is 6818795539. The reversal of 6818795520 is 255978186.

It is a congruent number.

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, 76615636 + ... + 76615724.

Almost surely, 2^6818795520 is an apocalyptic number.

6818795520 is a gapful number since it is divisible by the number (60) 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 6818795520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11677089600).

6818795520 is an abundant number, since it is smaller than the sum of its proper divisors (16535383680).

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

6818795520 is a wasteful number, since it uses less digits than its factorization.

6818795520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 51.

The square root of 6818795520 is about 82575.9984499128. The cubic root of 6818795520 is about 1896.2803979184.

The spelling of 6818795520 in words is "six billion, eight hundred eighteen million, seven hundred ninety-five thousand, five hundred twenty".