16650313 has 2 divisors, whose sum is σ = 16650314. Its totient is φ = 16650312.

The previous prime is 16650299. The next prime is 16650323. The reversal of 16650313 is 31305661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14379264 + 2271049 = 3792^2 + 1507^2 .

It is a cyclic number.

It is not a de Polignac number, because 16650313 - 2¹³ = 16642121 is a prime.

It is not a weakly prime, because it can be changed into another prime (16650323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8325156 + 8325157.

It is an arithmetic number, because the mean of its divisors is an integer number (8325157).

Almost surely, 2^16650313 is an apocalyptic number.

It is an amenable number.

16650313 is a deficient number, since it is larger than the sum of its proper divisors (1).

16650313 is an equidigital number, since it uses as much as digits as its factorization.

16650313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 16650313 is about 4080.4795061365. The cubic root of 16650313 is about 255.3529036637.

Adding to 16650313 its reverse (31305661), we get a palindrome (47955974).

The spelling of 16650313 in words is "sixteen million, six hundred fifty thousand, three hundred thirteen".