1966354106207 has 2 divisors, whose sum is σ = 1966354106208. Its totient is φ = 1966354106206.

The previous prime is 1966354106191. The next prime is 1966354106263. The reversal of 1966354106207 is 7026014536691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1966354106207 - 2⁴ = 1966354106191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1966354106707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 983177053103 + 983177053104.

It is an arithmetic number, because the mean of its divisors is an integer number (983177053104).

Almost surely, 2^{1966354106207} is an apocalyptic number.

1966354106207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1966354106207 is an equidigital number, since it uses as much as digits as its factorization.

1966354106207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 1966354106207 in words is "one trillion, nine hundred sixty-six billion, three hundred fifty-four million, one hundred six thousand, two hundred seven".