1116660566663 has 2 divisors, whose sum is σ = 1116660566664. Its totient is φ = 1116660566662.

The previous prime is 1116660566597. The next prime is 1116660566699. The reversal of 1116660566663 is 3666650666111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1116660566663 - 2¹⁴ = 1116660550279 is a prime.

It is a super-2 number, since 2×1116660566663² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1116660566963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558330283331 + 558330283332.

It is an arithmetic number, because the mean of its divisors is an integer number (558330283332).

Almost surely, 2^{1116660566663} is an apocalyptic number.

1116660566663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116660566663 is an equidigital number, since it uses as much as digits as its factorization.

1116660566663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4199040, while the sum is 53.

The spelling of 1116660566663 in words is "one trillion, one hundred sixteen billion, six hundred sixty million, five hundred sixty-six thousand, six hundred sixty-three".