818122968576 has 320 divisors, whose sum is σ = 2477958067200. Its totient is φ = 266445324288.

The previous prime is 818122968557. The next prime is 818122968577. The reversal of 818122968576 is 675869221818.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818122968577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105929451 + ... + 105937173.

It is an arithmetic number, because the mean of its divisors is an integer number (7743618960).

Almost surely, 2^818122968576 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 818122968576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1238979033600).

818122968576 is an abundant number, since it is smaller than the sum of its proper divisors (1659835098624).

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

818122968576 is an equidigital number, since it uses as much as digits as its factorization.

818122968576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7926 (or 7904 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 63.

The spelling of 818122968576 in words is "eight hundred eighteen billion, one hundred twenty-two million, nine hundred sixty-eight thousand, five hundred seventy-six".