16684562593 has 2 divisors, whose sum is σ = 16684562594. Its totient is φ = 16684562592.

The previous prime is 16684562579. The next prime is 16684562627. The reversal of 16684562593 is 39526548661.

16684562593 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., 16013130849 + 671431744 = 126543^2 + 25912^2 .

It is a cyclic number.

It is not a de Polignac number, because 16684562593 - 2⁵ = 16684562561 is a prime.

It is not a weakly prime, because it can be changed into another prime (16684562533) 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, 8342281296 + 8342281297.

It is an arithmetic number, because the mean of its divisors is an integer number (8342281297).

Almost surely, 2^16684562593 is an apocalyptic number.

It is an amenable number.

16684562593 is a deficient number, since it is larger than the sum of its proper divisors (1).

16684562593 is an equidigital number, since it uses as much as digits as its factorization.

16684562593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9331200, while the sum is 55.

The spelling of 16684562593 in words is "sixteen billion, six hundred eighty-four million, five hundred sixty-two thousand, five hundred ninety-three".