16681703 has 2 divisors, whose sum is σ = 16681704. Its totient is φ = 16681702.

The previous prime is 16681681. The next prime is 16681723. The reversal of 16681703 is 30718661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16681703 - 2¹⁰ = 16680679 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 16681703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16681723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8340851 + 8340852.

It is an arithmetic number, because the mean of its divisors is an integer number (8340852).

Almost surely, 2^16681703 is an apocalyptic number.

16681703 is a deficient number, since it is larger than the sum of its proper divisors (1).

16681703 is an equidigital number, since it uses as much as digits as its factorization.

16681703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 16681703 is about 4084.3240566831. The cubic root of 16681703 is about 255.5132709357.

The spelling of 16681703 in words is "sixteen million, six hundred eighty-one thousand, seven hundred three".