16105865273 has 2 divisors, whose sum is σ = 16105865274. Its totient is φ = 16105865272.

The previous prime is 16105865267. The next prime is 16105865291. The reversal of 16105865273 is 37256850161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15715881769 + 389983504 = 125363^2 + 19748^2 .

It is a cyclic number.

It is not a de Polignac number, because 16105865273 - 2⁴ = 16105865257 is a prime.

It is not a weakly prime, because it can be changed into another prime (16105865233) 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, 8052932636 + 8052932637.

It is an arithmetic number, because the mean of its divisors is an integer number (8052932637).

Almost surely, 2^16105865273 is an apocalyptic number.

It is an amenable number.

16105865273 is a deficient number, since it is larger than the sum of its proper divisors (1).

16105865273 is an equidigital number, since it uses as much as digits as its factorization.

16105865273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 16105865273 in words is "sixteen billion, one hundred five million, eight hundred sixty-five thousand, two hundred seventy-three".