12166092287 has 2 divisors, whose sum is σ = 12166092288. Its totient is φ = 12166092286.

The previous prime is 12166092247. The next prime is 12166092299. The reversal of 12166092287 is 78229066121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12166092287 - 2⁸ = 12166092031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12166092247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6083046143 + 6083046144.

It is an arithmetic number, because the mean of its divisors is an integer number (6083046144).

Almost surely, 2^12166092287 is an apocalyptic number.

12166092287 is a deficient number, since it is larger than the sum of its proper divisors (1).

12166092287 is an equidigital number, since it uses as much as digits as its factorization.

12166092287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 12166092287 in words is "twelve billion, one hundred sixty-six million, ninety-two thousand, two hundred eighty-seven".