196667017 has 2 divisors, whose sum is σ = 196667018. Its totient is φ = 196667016.

The previous prime is 196666991. The next prime is 196667039. The reversal of 196667017 is 710766691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179452816 + 17214201 = 13396^2 + 4149^2 .

It is an emirp because it is prime and its reverse (710766691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196667017 - 2¹¹ = 196664969 is a prime.

It is not a weakly prime, because it can be changed into another prime (196667087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98333508 + 98333509.

It is an arithmetic number, because the mean of its divisors is an integer number (98333509).

Almost surely, 2^196667017 is an apocalyptic number.

It is an amenable number.

196667017 is a deficient number, since it is larger than the sum of its proper divisors (1).

196667017 is an equidigital number, since it uses as much as digits as its factorization.

196667017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 196667017 is about 14023.8018026497. The cubic root of 196667017 is about 581.5367658551.

The spelling of 196667017 in words is "one hundred ninety-six million, six hundred sixty-seven thousand, seventeen".