8166923 has 2 divisors, whose sum is σ = 8166924. Its totient is φ = 8166922.

The previous prime is 8166911. The next prime is 8166937. The reversal of 8166923 is 3296618.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8166923 - 2¹⁴ = 8150539 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (8166943) 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, 4083461 + 4083462.

It is an arithmetic number, because the mean of its divisors is an integer number (4083462).

Almost surely, 2^8166923 is an apocalyptic number.

8166923 is a deficient number, since it is larger than the sum of its proper divisors (1).

8166923 is an equidigital number, since it uses as much as digits as its factorization.

8166923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 35.

The square root of 8166923 is about 2857.7828818859. The cubic root of 8166923 is about 201.3814608592.

The spelling of 8166923 in words is "eight million, one hundred sixty-six thousand, nine hundred twenty-three".