16266697 has 2 divisors, whose sum is σ = 16266698. Its totient is φ = 16266696.

The previous prime is 16266673. The next prime is 16266703. The reversal of 16266697 is 79666261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16232841 + 33856 = 4029^2 + 184^2 .

It is a cyclic number.

It is not a de Polignac number, because 16266697 - 2¹¹ = 16264649 is a prime.

It is not a weakly prime, because it can be changed into another prime (16266617) 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, 8133348 + 8133349.

It is an arithmetic number, because the mean of its divisors is an integer number (8133349).

Almost surely, 2^16266697 is an apocalyptic number.

It is an amenable number.

16266697 is a deficient number, since it is larger than the sum of its proper divisors (1).

16266697 is an equidigital number, since it uses as much as digits as its factorization.

16266697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 43.

The square root of 16266697 is about 4033.1993503917. The cubic root of 16266697 is about 253.3765736825.

The spelling of 16266697 in words is "sixteen million, two hundred sixty-six thousand, six hundred ninety-seven".