8066809885368 has 96 divisors (see below), whose sum is σ = 21845492961840. Its totient is φ = 2481205708800.

The previous prime is 8066809885361. The next prime is 8066809885439. The reversal of 8066809885368 is 8635889086608.

It is a Cunningham number, because it is equal to 2840213²-1.

It is a self number, because there is not a number n which added to its sum of digits gives 8066809885368.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8066809885361) 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 23 ways as a sum of consecutive naturals, for example, 11005830 + ... + 11715882.

Almost surely, 2^{8066809885368} 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 8066809885368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10922746480920).

8066809885368 is an abundant number, since it is smaller than the sum of its proper divisors (13778683076472).

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

8066809885368 is a wasteful number, since it uses less digits than its factorization.

8066809885368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712889 (or 712872 counting only the distinct ones).

The product of its (nonzero) digits is 955514880, while the sum is 75.

The spelling of 8066809885368 in words is "eight trillion, sixty-six billion, eight hundred nine million, eight hundred eighty-five thousand, three hundred sixty-eight".