16676515110217 has 2 divisors, whose sum is σ = 16676515110218. Its totient is φ = 16676515110216.

The previous prime is 16676515110197. The next prime is 16676515110371. The reversal of 16676515110217 is 71201151567661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15413939271481 + 1262575838736 = 3926059^2 + 1123644^2 .

It is an emirp because it is prime and its reverse (71201151567661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16676515110217 - 2²⁷ = 16676380892489 is a prime.

It is not a weakly prime, because it can be changed into another prime (16676515110517) 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, 8338257555108 + 8338257555109.

It is an arithmetic number, because the mean of its divisors is an integer number (8338257555109).

Almost surely, 2^{16676515110217} is an apocalyptic number.

It is an amenable number.

16676515110217 is a deficient number, since it is larger than the sum of its proper divisors (1).

16676515110217 is an equidigital number, since it uses as much as digits as its factorization.

16676515110217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 529200, while the sum is 49.

Adding to 16676515110217 its reverse (71201151567661), we get a palindrome (87877666677878).

The spelling of 16676515110217 in words is "sixteen trillion, six hundred seventy-six billion, five hundred fifteen million, one hundred ten thousand, two hundred seventeen".