106666907 has 2 divisors, whose sum is σ = 106666908. Its totient is φ = 106666906.

The previous prime is 106666873. The next prime is 106666913. The reversal of 106666907 is 709666601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106666907 - 2¹⁶ = 106601371 is a prime.

It is a super-2 number, since 2×106666907² = 22755658097893298, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (106666927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53333453 + 53333454.

It is an arithmetic number, because the mean of its divisors is an integer number (53333454).

Almost surely, 2^106666907 is an apocalyptic number.

106666907 is a deficient number, since it is larger than the sum of its proper divisors (1).

106666907 is an equidigital number, since it uses as much as digits as its factorization.

106666907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 106666907 is about 10327.9672249674. The cubic root of 106666907 is about 474.2527967818.

The spelling of 106666907 in words is "one hundred six million, six hundred sixty-six thousand, nine hundred seven".