196663 has 2 divisors, whose sum is σ = 196664. Its totient is φ = 196662.

The previous prime is 196661. The next prime is 196681. The reversal of 196663 is 366691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 196663 - 2¹ = 196661 is a prime.

Together with 196661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98331 + 98332.

It is an arithmetic number, because the mean of its divisors is an integer number (98332).

2¹⁹⁶⁶⁶³ is an apocalyptic number.

196663 is a deficient number, since it is larger than the sum of its proper divisors (1).

196663 is an equidigital number, since it uses as much as digits as its factorization.

196663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 31.

The square root of 196663 is about 443.4670224492. The cubic root of 196663 is about 58.1532806457.

The spelling of 196663 in words is "one hundred ninety-six thousand, six hundred sixty-three".