9166845137 has 2 divisors, whose sum is σ = 9166845138. Its totient is φ = 9166845136.

The previous prime is 9166845097. The next prime is 9166845197. The reversal of 9166845137 is 7315486619.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7408217041 + 1758628096 = 86071^2 + 41936^2 .

It is a cyclic number.

It is not a de Polignac number, because 9166845137 - 2⁸ = 9166844881 is a prime.

It is not a weakly prime, because it can be changed into another prime (9166845197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4583422568 + 4583422569.

It is an arithmetic number, because the mean of its divisors is an integer number (4583422569).

Almost surely, 2^9166845137 is an apocalyptic number.

It is an amenable number.

9166845137 is a deficient number, since it is larger than the sum of its proper divisors (1).

9166845137 is an equidigital number, since it uses as much as digits as its factorization.

9166845137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 50.

The square root of 9166845137 is about 95743.6428020158. The cubic root of 9166845137 is about 2092.8589748631.

The spelling of 9166845137 in words is "nine billion, one hundred sixty-six million, eight hundred forty-five thousand, one hundred thirty-seven".