16068518117 has 2 divisors, whose sum is σ = 16068518118. Its totient is φ = 16068518116.

The previous prime is 16068518107. The next prime is 16068518153. The reversal of 16068518117 is 71181586061.

16068518117 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., 12019613956 + 4048904161 = 109634^2 + 63631^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16068518117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16068518107) 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, 8034259058 + 8034259059.

It is an arithmetic number, because the mean of its divisors is an integer number (8034259059).

Almost surely, 2^16068518117 is an apocalyptic number.

It is an amenable number.

16068518117 is a deficient number, since it is larger than the sum of its proper divisors (1).

16068518117 is an equidigital number, since it uses as much as digits as its factorization.

16068518117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 44.

The spelling of 16068518117 in words is "sixteen billion, sixty-eight million, five hundred eighteen thousand, one hundred seventeen".