966666611 has 2 divisors, whose sum is σ = 966666612. Its totient is φ = 966666610.

The previous prime is 966666601. The next prime is 966666637. The reversal of 966666611 is 116666669.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 966666611 - 2¹⁰ = 966665587 is a prime.

It is a Chen prime.

It is a nialpdrome in base 10.

It is not a weakly prime, because it can be changed into another prime (966666601) 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, 483333305 + 483333306.

It is an arithmetic number, because the mean of its divisors is an integer number (483333306).

Almost surely, 2^966666611 is an apocalyptic number.

966666611 is a deficient number, since it is larger than the sum of its proper divisors (1).

966666611 is an equidigital number, since it uses as much as digits as its factorization.

966666611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 419904, while the sum is 47.

The square root of 966666611 is about 31091.2626150821. The cubic root of 966666611 is about 988.7630748019.

The spelling of 966666611 in words is "nine hundred sixty-six million, six hundred sixty-six thousand, six hundred eleven".