16552717 has 2 divisors, whose sum is σ = 16552718. Its totient is φ = 16552716.

The previous prime is 16552703. The next prime is 16552733. The reversal of 16552717 is 71725561.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13793796 + 2758921 = 3714^2 + 1661^2 .

It is an emirp because it is prime and its reverse (71725561) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16552717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16552787) 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, 8276358 + 8276359.

It is an arithmetic number, because the mean of its divisors is an integer number (8276359).

Almost surely, 2^16552717 is an apocalyptic number.

It is an amenable number.

16552717 is a deficient number, since it is larger than the sum of its proper divisors (1).

16552717 is an equidigital number, since it uses as much as digits as its factorization.

16552717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14700, while the sum is 34.

The square root of 16552717 is about 4068.5030416604. The cubic root of 16552717 is about 254.8530076843.

The spelling of 16552717 in words is "sixteen million, five hundred fifty-two thousand, seven hundred seventeen".