16551105465353 has 2 divisors, whose sum is σ = 16551105465354. Its totient is φ = 16551105465352.

The previous prime is 16551105465331. The next prime is 16551105465379. The reversal of 16551105465353 is 35356450115561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13236477410809 + 3314628054544 = 3638197^2 + 1820612^2 .

It is a cyclic number.

It is not a de Polignac number, because 16551105465353 - 2¹⁸ = 16551105203209 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (16551105765353) 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, 8275552732676 + 8275552732677.

It is an arithmetic number, because the mean of its divisors is an integer number (8275552732677).

Almost surely, 2^{16551105465353} is an apocalyptic number.

It is an amenable number.

16551105465353 is a deficient number, since it is larger than the sum of its proper divisors (1).

16551105465353 is an equidigital number, since it uses as much as digits as its factorization.

16551105465353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050000, while the sum is 50.

The spelling of 16551105465353 in words is "sixteen trillion, five hundred fifty-one billion, one hundred five million, four hundred sixty-five thousand, three hundred fifty-three".