16566829073 has 2 divisors, whose sum is σ = 16566829074. Its totient is φ = 16566829072.

The previous prime is 16566829051. The next prime is 16566829121. The reversal of 16566829073 is 37092866561.

16566829073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13751783824 + 2815045249 = 117268^2 + 53057^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16566829073 is a prime.

It is not a weakly prime, because it can be changed into another prime (16566829373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8283414536 + 8283414537.

It is an arithmetic number, because the mean of its divisors is an integer number (8283414537).

Almost surely, 2^16566829073 is an apocalyptic number.

It is an amenable number.

16566829073 is a deficient number, since it is larger than the sum of its proper divisors (1).

16566829073 is an equidigital number, since it uses as much as digits as its factorization.

16566829073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 16566829073 in words is "sixteen billion, five hundred sixty-six million, eight hundred twenty-nine thousand, seventy-three".