16109386693 has 2 divisors, whose sum is σ = 16109386694. Its totient is φ = 16109386692.

The previous prime is 16109386687. The next prime is 16109386703. The reversal of 16109386693 is 39668390161.

16109386693 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., 16088892964 + 20493729 = 126842^2 + 4527^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16109386693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16109386693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16109386613) 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, 8054693346 + 8054693347.

It is an arithmetic number, because the mean of its divisors is an integer number (8054693347).

Almost surely, 2^16109386693 is an apocalyptic number.

It is an amenable number.

16109386693 is a deficient number, since it is larger than the sum of its proper divisors (1).

16109386693 is an equidigital number, since it uses as much as digits as its factorization.

16109386693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1259712, while the sum is 52.

The spelling of 16109386693 in words is "sixteen billion, one hundred nine million, three hundred eighty-six thousand, six hundred ninety-three".