6686107 has 2 divisors, whose sum is σ = 6686108. Its totient is φ = 6686106.

The previous prime is 6686093. The next prime is 6686167. The reversal of 6686107 is 7016866.

6686107 is nontrivially palindromic in base 7.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6686107 - 2¹¹ = 6684059 is a prime.

It is not a weakly prime, because it can be changed into another prime (6686167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3343053 + 3343054.

It is an arithmetic number, because the mean of its divisors is an integer number (3343054).

Almost surely, 2^6686107 is an apocalyptic number.

6686107 is a deficient number, since it is larger than the sum of its proper divisors (1).

6686107 is an equidigital number, since it uses as much as digits as its factorization.

6686107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 6686107 is about 2585.7507613844. The cubic root of 6686107 is about 188.3899687833.

It can be divided in two parts, 668610 and 7, that multiplied together give a triangular number (4680270 = T₃₀₅₉).

The spelling of 6686107 in words is "six million, six hundred eighty-six thousand, one hundred seven".