966191 has 2 divisors, whose sum is σ = 966192. Its totient is φ = 966190.

The previous prime is 966157. The next prime is 966197. The reversal of 966191 is 191669.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (191669) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-966191 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (966197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483095 + 483096.

It is an arithmetic number, because the mean of its divisors is an integer number (483096).

2⁹⁶⁶¹⁹¹ is an apocalyptic number.

966191 is a deficient number, since it is larger than the sum of its proper divisors (1).

966191 is an equidigital number, since it uses as much as digits as its factorization.

966191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 32.

The square root of 966191 is about 982.9501513302. The cubic root of 966191 is about 98.8600887296.

The spelling of 966191 in words is "nine hundred sixty-six thousand, one hundred ninety-one".