16545766663017 has 12 divisors (see below), whose sum is σ = 23967920512900. Its totient is φ = 10998905057568.

The previous prime is 16545766662961. The next prime is 16545766663037. The reversal of 16545766663017 is 71036666754561.

16545766663017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13211596570176 + 3334170092841 = 3634776^2 + 1825971^2 .

It is not a de Polignac number, because 16545766663017 - 2¹⁹ = 16545766138729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16545766663037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2633834278 + ... + 2633840559.

Almost surely, 2^{16545766663017} is an apocalyptic number.

It is an amenable number.

16545766663017 is a deficient number, since it is larger than the sum of its proper divisors (7422153849883).

16545766663017 is a wasteful number, since it uses less digits than its factorization.

16545766663017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5267675192 (or 5267675189 counting only the distinct ones).

The product of its (nonzero) digits is 114307200, while the sum is 63.

The spelling of 16545766663017 in words is "sixteen trillion, five hundred forty-five billion, seven hundred sixty-six million, six hundred sixty-three thousand, seventeen".