91766011 has 2 divisors, whose sum is σ = 91766012. Its totient is φ = 91766010.

The previous prime is 91765997. The next prime is 91766023. The reversal of 91766011 is 11066719.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91766011 - 2⁵ = 91765979 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (91766041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45883005 + 45883006.

It is an arithmetic number, because the mean of its divisors is an integer number (45883006).

Almost surely, 2^91766011 is an apocalyptic number.

91766011 is a deficient number, since it is larger than the sum of its proper divisors (1).

91766011 is an equidigital number, since it uses as much as digits as its factorization.

91766011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 91766011 is about 9579.4577612723. The cubic root of 91766011 is about 451.0526976146.

The spelling of 91766011 in words is "ninety-one million, seven hundred sixty-six thousand, eleven".