196666723333 has 2 divisors, whose sum is σ = 196666723334. Its totient is φ = 196666723332.

The previous prime is 196666723301. The next prime is 196666723411. The reversal of 196666723333 is 333327666691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163396233729 + 33270489604 = 404223^2 + 182402^2 .

It is a cyclic number.

It is not a de Polignac number, because 196666723333 - 2⁵ = 196666723301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196666724333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98333361666 + 98333361667.

It is an arithmetic number, because the mean of its divisors is an integer number (98333361667).

Almost surely, 2^196666723333 is an apocalyptic number.

It is an amenable number.

196666723333 is a deficient number, since it is larger than the sum of its proper divisors (1).

196666723333 is an equidigital number, since it uses as much as digits as its factorization.

196666723333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13226976, while the sum is 55.

The spelling of 196666723333 in words is "one hundred ninety-six billion, six hundred sixty-six million, seven hundred twenty-three thousand, three hundred thirty-three".