196066943 has 2 divisors, whose sum is σ = 196066944. Its totient is φ = 196066942.

The previous prime is 196066931. The next prime is 196066951. The reversal of 196066943 is 349660691.

It is a strong prime.

It is an emirp because it is prime and its reverse (349660691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196066943 - 2¹⁸ = 195804799 is a prime.

It is a super-2 number, since 2×196066943² = 76884492274730498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 196066894 and 196066903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196066543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98033471 + 98033472.

It is an arithmetic number, because the mean of its divisors is an integer number (98033472).

Almost surely, 2^196066943 is an apocalyptic number.

196066943 is a deficient number, since it is larger than the sum of its proper divisors (1).

196066943 is an equidigital number, since it uses as much as digits as its factorization.

196066943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 196066943 is about 14002.3906173196. The cubic root of 196066943 is about 580.9446980640.

The spelling of 196066943 in words is "one hundred ninety-six million, sixty-six thousand, nine hundred forty-three".