196664113 has 2 divisors, whose sum is σ = 196664114. Its totient is φ = 196664112.

The previous prime is 196664089. The next prime is 196664129. The reversal of 196664113 is 311466691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141800464 + 54863649 = 11908^2 + 7407^2 .

It is a cyclic number.

It is not a de Polignac number, because 196664113 - 2⁵ = 196664081 is a prime.

It is not a weakly prime, because it can be changed into another prime (196664173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98332056 + 98332057.

It is an arithmetic number, because the mean of its divisors is an integer number (98332057).

Almost surely, 2^196664113 is an apocalyptic number.

It is an amenable number.

196664113 is a deficient number, since it is larger than the sum of its proper divisors (1).

196664113 is an equidigital number, since it uses as much as digits as its factorization.

196664113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 196664113 is about 14023.6982640101. The cubic root of 196664113 is about 581.5339035024.

The spelling of 196664113 in words is "one hundred ninety-six million, six hundred sixty-four thousand, one hundred thirteen".