106666873 has 2 divisors, whose sum is σ = 106666874. Its totient is φ = 106666872.

The previous prime is 106666849. The next prime is 106666907. The reversal of 106666873 is 378666601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61669609 + 44997264 = 7853^2 + 6708^2 .

It is a cyclic number.

It is not a de Polignac number, because 106666873 - 2¹⁷ = 106535801 is a prime.

It is a super-2 number, since 2×106666873² = 22755643591196258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106666673) 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, 53333436 + 53333437.

It is an arithmetic number, because the mean of its divisors is an integer number (53333437).

Almost surely, 2^106666873 is an apocalyptic number.

It is an amenable number.

106666873 is a deficient number, since it is larger than the sum of its proper divisors (1).

106666873 is an equidigital number, since it uses as much as digits as its factorization.

106666873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 106666873 is about 10327.9655789512. The cubic root of 106666873 is about 474.2527463925.

The spelling of 106666873 in words is "one hundred six million, six hundred sixty-six thousand, eight hundred seventy-three".