16716937 has 2 divisors, whose sum is σ = 16716938. Its totient is φ = 16716936.

The previous prime is 16716923. The next prime is 16716943. The reversal of 16716937 is 73961761.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15515721 + 1201216 = 3939^2 + 1096^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16716937 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16716937.

It is not a weakly prime, because it can be changed into another prime (16716907) 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, 8358468 + 8358469.

It is an arithmetic number, because the mean of its divisors is an integer number (8358469).

Almost surely, 2^16716937 is an apocalyptic number.

It is an amenable number.

16716937 is a deficient number, since it is larger than the sum of its proper divisors (1).

16716937 is an equidigital number, since it uses as much as digits as its factorization.

16716937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47628, while the sum is 40.

The square root of 16716937 is about 4088.6351023294. The cubic root of 16716937 is about 255.6930372276.

The spelling of 16716937 in words is "sixteen million, seven hundred sixteen thousand, nine hundred thirty-seven".