16473266861 has 2 divisors, whose sum is σ = 16473266862. Its totient is φ = 16473266860.

The previous prime is 16473266857. The next prime is 16473266897. The reversal of 16473266861 is 16866237461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12966376900 + 3506889961 = 113870^2 + 59219^2 .

It is an emirp because it is prime and its reverse (16866237461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16473266861 - 2² = 16473266857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16473266851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8236633430 + 8236633431.

It is an arithmetic number, because the mean of its divisors is an integer number (8236633431).

Almost surely, 2^16473266861 is an apocalyptic number.

It is an amenable number.

16473266861 is a deficient number, since it is larger than the sum of its proper divisors (1).

16473266861 is an equidigital number, since it uses as much as digits as its factorization.

16473266861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 50.

The spelling of 16473266861 in words is "sixteen billion, four hundred seventy-three million, two hundred sixty-six thousand, eight hundred sixty-one".