106668517 has 2 divisors, whose sum is σ = 106668518. Its totient is φ = 106668516.

The previous prime is 106668493. The next prime is 106668539. The reversal of 106668517 is 715866601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100120036 + 6548481 = 10006^2 + 2559^2 .

It is a cyclic number.

It is not a de Polignac number, because 106668517 - 2⁷ = 106668389 is a prime.

It is a super-2 number, since 2×106668517² = 22756345037958578, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106668517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106668017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53334258 + 53334259.

It is an arithmetic number, because the mean of its divisors is an integer number (53334259).

Almost surely, 2^106668517 is an apocalyptic number.

It is an amenable number.

106668517 is a deficient number, since it is larger than the sum of its proper divisors (1).

106668517 is an equidigital number, since it uses as much as digits as its factorization.

106668517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 106668517 is about 10328.0451683753. The cubic root of 106668517 is about 474.2551828488.

The spelling of 106668517 in words is "one hundred six million, six hundred sixty-eight thousand, five hundred seventeen".