9106661 has 2 divisors, whose sum is σ = 9106662. Its totient is φ = 9106660.

The previous prime is 9106649. The next prime is 9106693. The reversal of 9106661 is 1666019.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8850625 + 256036 = 2975^2 + 506^2 .

It is an emirp because it is prime and its reverse (1666019) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9106661 - 2²² = 4912357 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9106621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4553330 + 4553331.

It is an arithmetic number, because the mean of its divisors is an integer number (4553331).

Almost surely, 2^9106661 is an apocalyptic number.

It is an amenable number.

9106661 is a deficient number, since it is larger than the sum of its proper divisors (1).

9106661 is an equidigital number, since it uses as much as digits as its factorization.

9106661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 9106661 is about 3017.7244738379. The cubic root of 9106661 is about 208.8268752442.

The spelling of 9106661 in words is "nine million, one hundred six thousand, six hundred sixty-one".