16498717 has 2 divisors, whose sum is σ = 16498718. Its totient is φ = 16498716.

The previous prime is 16498673. The next prime is 16498747. The reversal of 16498717 is 71789461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15007876 + 1490841 = 3874^2 + 1221^2 .

It is an emirp because it is prime and its reverse (71789461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16498717 - 2⁷ = 16498589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16498747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8249358 + 8249359.

It is an arithmetic number, because the mean of its divisors is an integer number (8249359).

Almost surely, 2^16498717 is an apocalyptic number.

It is an amenable number.

16498717 is a deficient number, since it is larger than the sum of its proper divisors (1).

16498717 is an equidigital number, since it uses as much as digits as its factorization.

16498717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 43.

The square root of 16498717 is about 4061.8612728649. The cubic root of 16498717 is about 254.5755697479.

The spelling of 16498717 in words is "sixteen million, four hundred ninety-eight thousand, seven hundred seventeen".