16706369 has 2 divisors, whose sum is σ = 16706370. Its totient is φ = 16706368.

The previous prime is 16706363. The next prime is 16706399. The reversal of 16706369 is 96360761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9486400 + 7219969 = 3080^2 + 2687^2 .

It is a cyclic number.

It is not a de Polignac number, because 16706369 - 2⁴ = 16706353 is a prime.

It is a super-2 number, since 2×16706369² = 558205530328322, which contains 22 as substring.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (16706363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8353184 + 8353185.

It is an arithmetic number, because the mean of its divisors is an integer number (8353185).

Almost surely, 2^16706369 is an apocalyptic number.

It is an amenable number.

16706369 is a deficient number, since it is larger than the sum of its proper divisors (1).

16706369 is an equidigital number, since it uses as much as digits as its factorization.

16706369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 16706369 is about 4087.3425351933. The cubic root of 16706369 is about 255.6391451055.

The spelling of 16706369 in words is "sixteen million, seven hundred six thousand, three hundred sixty-nine".