16706897 has 2 divisors, whose sum is σ = 16706898. Its totient is φ = 16706896.

The previous prime is 16706891. The next prime is 16706917. The reversal of 16706897 is 79860761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16008001 + 698896 = 4001^2 + 836^2 .

It is a cyclic number.

It is not a de Polignac number, because 16706897 - 2⁴ = 16706881 is a prime.

It is a Chen prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (16706891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8353448 + 8353449.

It is an arithmetic number, because the mean of its divisors is an integer number (8353449).

Almost surely, 2^16706897 is an apocalyptic number.

It is an amenable number.

16706897 is a deficient number, since it is larger than the sum of its proper divisors (1).

16706897 is an equidigital number, since it uses as much as digits as its factorization.

16706897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 16706897 is about 4087.4071243271. The cubic root of 16706897 is about 255.6418382111.

The spelling of 16706897 in words is "sixteen million, seven hundred six thousand, eight hundred ninety-seven".