16545217514719 has 2 divisors, whose sum is σ = 16545217514720. Its totient is φ = 16545217514718.

The previous prime is 16545217514711. The next prime is 16545217514729. The reversal of 16545217514719 is 91741571254561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16545217514719 - 2³ = 16545217514711 is a prime.

It is a super-2 number, since 2×16545217514719² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16545217514711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8272608757359 + 8272608757360.

It is an arithmetic number, because the mean of its divisors is an integer number (8272608757360).

Almost surely, 2^{16545217514719} is an apocalyptic number.

16545217514719 is a deficient number, since it is larger than the sum of its proper divisors (1).

16545217514719 is an equidigital number, since it uses as much as digits as its factorization.

16545217514719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584000, while the sum is 58.

The spelling of 16545217514719 in words is "sixteen trillion, five hundred forty-five billion, two hundred seventeen million, five hundred fourteen thousand, seven hundred nineteen".