966318091 has 2 divisors, whose sum is σ = 966318092. Its totient is φ = 966318090.

The previous prime is 966318071. The next prime is 966318103. The reversal of 966318091 is 190813669.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-966318091 is a prime.

It is not a weakly prime, because it can be changed into another prime (966318061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483159045 + 483159046.

It is an arithmetic number, because the mean of its divisors is an integer number (483159046).

Almost surely, 2^966318091 is an apocalyptic number.

966318091 is a deficient number, since it is larger than the sum of its proper divisors (1).

966318091 is an equidigital number, since it uses as much as digits as its factorization.

966318091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 966318091 is about 31085.6573197351. The cubic root of 966318091 is about 988.6442316470.

The spelling of 966318091 in words is "nine hundred sixty-six million, three hundred eighteen thousand, ninety-one".