8066924821791 has 48 divisors (see below), whose sum is σ = 13348678487040. Its totient is φ = 4646691466560.

The previous prime is 8066924821783. The next prime is 8066924821817. The reversal of 8066924821791 is 1971284296608.

8066924821791 is a `hidden beast` number, since 8 + 0 + 6 + 69 + 2 + 482 + 1 + 7 + 91 = 666.

It is not a de Polignac number, because 8066924821791 - 2³ = 8066924821783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8066924822791) 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 47 ways as a sum of consecutive naturals, for example, 10925271 + ... + 11640248.

It is an arithmetic number, because the mean of its divisors is an integer number (278097468480).

Almost surely, 2^{8066924821791} is an apocalyptic number.

8066924821791 is a deficient number, since it is larger than the sum of its proper divisors (5281753665249).

8066924821791 is a wasteful number, since it uses less digits than its factorization.

8066924821791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22565716 (or 22565713 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 8066924821791 in words is "eight trillion, sixty-six billion, nine hundred twenty-four million, eight hundred twenty-one thousand, seven hundred ninety-one".