106656917 has 2 divisors, whose sum is σ = 106656918. Its totient is φ = 106656916.

The previous prime is 106656889. The next prime is 106656919. The reversal of 106656917 is 719656601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102292996 + 4363921 = 10114^2 + 2089^2 .

It is a cyclic number.

It is not a de Polignac number, because 106656917 - 2¹⁸ = 106394773 is a prime.

It is a super-2 number, since 2×106656917² = 22751395887889778, which contains 22 as substring.

Together with 106656919, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106656919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53328458 + 53328459.

It is an arithmetic number, because the mean of its divisors is an integer number (53328459).

Almost surely, 2^106656917 is an apocalyptic number.

It is an amenable number.

106656917 is a deficient number, since it is larger than the sum of its proper divisors (1).

106656917 is an equidigital number, since it uses as much as digits as its factorization.

106656917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 106656917 is about 10327.4835753924. The cubic root of 106656917 is about 474.2379907734.

The spelling of 106656917 in words is "one hundred six million, six hundred fifty-six thousand, nine hundred seventeen".