9166666669 has 2 divisors, whose sum is σ = 9166666670. Its totient is φ = 9166666668.

The previous prime is 9166666657. The next prime is 9166666681. The reversal of 9166666669 is 9666666619.

It is a balanced prime because it is at equal distance from previous prime (9166666657) and next prime (9166666681).

It can be written as a sum of positive squares in only one way, i.e., 8981352900 + 185313769 = 94770^2 + 13613^2 .

It is a cyclic number.

It is not a de Polignac number, because 9166666669 - 2²³ = 9158278061 is a prime.

It is a super-2 number, since 2×9166666669² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9166666609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4583333334 + 4583333335.

It is an arithmetic number, because the mean of its divisors is an integer number (4583333335).

Almost surely, 2^9166666669 is an apocalyptic number.

It is an amenable number.

9166666669 is a deficient number, since it is larger than the sum of its proper divisors (1).

9166666669 is an equidigital number, since it uses as much as digits as its factorization.

9166666669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22674816, while the sum is 61.

The square root of 9166666669 is about 95742.7107878192. The cubic root of 9166666669 is about 2092.8453929174.

The spelling of 9166666669 in words is "nine billion, one hundred sixty-six million, six hundred sixty-six thousand, six hundred sixty-nine".