8196838391808 has 912 divisors, whose sum is σ = 28316027839680. Its totient is φ = 2333626859520.

The previous prime is 8196838391701. The next prime is 8196838391827. The reversal of 8196838391808 is 8081938386918.

8196838391808 is a `hidden beast` number, since 8 + 1 + 9 + 68 + 383 + 9 + 180 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14559215335 + ... + 14559215897.

It is an arithmetic number, because the mean of its divisors is an integer number (31048276140).

Almost surely, 2^{8196838391808} is an apocalyptic number.

8196838391808 is a gapful number since it is divisible by the number (88) 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 8196838391808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14158013919840).

8196838391808 is an abundant number, since it is smaller than the sum of its proper divisors (20119189447872).

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

8196838391808 is an equidigital number, since it uses as much as digits as its factorization.

8196838391808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647 (or 596 counting only the distinct ones).

The product of its (nonzero) digits is 143327232, while the sum is 72.

The spelling of 8196838391808 in words is "eight trillion, one hundred ninety-six billion, eight hundred thirty-eight million, three hundred ninety-one thousand, eight hundred eight".