10166909 has 2 divisors, whose sum is σ = 10166910. Its totient is φ = 10166908.

The previous prime is 10166873. The next prime is 10166911. The reversal of 10166909 is 90966101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6744409 + 3422500 = 2597^2 + 1850^2 .

It is a cyclic number.

It is not a de Polignac number, because 10166909 - 2¹⁶ = 10101373 is a prime.

It is a super-2 number, since 2×10166909² = 206732077228562, which contains 22 as substring.

Together with 10166911, 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 (10166999) 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, 5083454 + 5083455.

It is an arithmetic number, because the mean of its divisors is an integer number (5083455).

Almost surely, 2^10166909 is an apocalyptic number.

It is an amenable number.

10166909 is a deficient number, since it is larger than the sum of its proper divisors (1).

10166909 is an equidigital number, since it uses as much as digits as its factorization.

10166909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 10166909 is about 3188.5590789571. The cubic root of 10166909 is about 216.6355097868.

The spelling of 10166909 in words is "ten million, one hundred sixty-six thousand, nine hundred nine".