8226685968408 has 128 divisors (see below), whose sum is σ = 24208686432000. Its totient is φ = 2579582292480.

The previous prime is 8226685968353. The next prime is 8226685968409. The reversal of 8226685968408 is 8048695866228.

8226685968408 is a `hidden beast` number, since 8 + 2 + 26 + 6 + 8 + 596 + 8 + 4 + 0 + 8 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8226685968409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6510523 + ... + 7670741.

It is an arithmetic number, because the mean of its divisors is an integer number (189130362750).

Almost surely, 2^{8226685968408} 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 8226685968408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12104343216000).

8226685968408 is an abundant number, since it is smaller than the sum of its proper divisors (15982000463592).

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

8226685968408 is a wasteful number, since it uses less digits than its factorization.

8226685968408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162182 (or 1162172 counting only the distinct ones).

The product of its (nonzero) digits is 637009920, while the sum is 72.

The spelling of 8226685968408 in words is "eight trillion, two hundred twenty-six billion, six hundred eighty-five million, nine hundred sixty-eight thousand, four hundred eight".