16716084857 has 2 divisors, whose sum is σ = 16716084858. Its totient is φ = 16716084856.

The previous prime is 16716084839. The next prime is 16716084947. The reversal of 16716084857 is 75848061761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14859853801 + 1856231056 = 121901^2 + 43084^2 .

It is a cyclic number.

It is not a de Polignac number, because 16716084857 - 2²⁰ = 16715036281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16716084799 and 16716084808.

It is not a weakly prime, because it can be changed into another prime (16716284857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8358042428 + 8358042429.

It is an arithmetic number, because the mean of its divisors is an integer number (8358042429).

Almost surely, 2^16716084857 is an apocalyptic number.

It is an amenable number.

16716084857 is a deficient number, since it is larger than the sum of its proper divisors (1).

16716084857 is an equidigital number, since it uses as much as digits as its factorization.

16716084857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2257920, while the sum is 53.

The spelling of 16716084857 in words is "sixteen billion, seven hundred sixteen million, eighty-four thousand, eight hundred fifty-seven".