16658565163 has 2 divisors, whose sum is σ = 16658565164. Its totient is φ = 16658565162.

The previous prime is 16658565083. The next prime is 16658565169. The reversal of 16658565163 is 36156585661.

16658565163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16658565163 - 2⁹ = 16658564651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16658565163.

It is not a weakly prime, because it can be changed into another prime (16658565169) 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, 8329282581 + 8329282582.

It is an arithmetic number, because the mean of its divisors is an integer number (8329282582).

Almost surely, 2^16658565163 is an apocalyptic number.

16658565163 is a deficient number, since it is larger than the sum of its proper divisors (1).

16658565163 is an equidigital number, since it uses as much as digits as its factorization.

16658565163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888000, while the sum is 52.

The spelling of 16658565163 in words is "sixteen billion, six hundred fifty-eight million, five hundred sixty-five thousand, one hundred sixty-three".