9166643 has 2 divisors, whose sum is σ = 9166644. Its totient is φ = 9166642.

The previous prime is 9166613. The next prime is 9166649. The reversal of 9166643 is 3466619.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9166643 - 2⁸ = 9166387 is a prime.

It is not a weakly prime, because it can be changed into another prime (9166649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4583321 + 4583322.

It is an arithmetic number, because the mean of its divisors is an integer number (4583322).

Almost surely, 2^9166643 is an apocalyptic number.

9166643 is a deficient number, since it is larger than the sum of its proper divisors (1).

9166643 is an equidigital number, since it uses as much as digits as its factorization.

9166643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 35.

The square root of 9166643 is about 3027.6464456736. The cubic root of 9166643 is about 209.2843591623.

The spelling of 9166643 in words is "nine million, one hundred sixty-six thousand, six hundred forty-three".