1116660566599 has 4 divisors (see below), whose sum is σ = 1130795510560. Its totient is φ = 1102525622640.

The previous prime is 1116660566597. The next prime is 1116660566663. The reversal of 1116660566599 is 9956650666111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1116660566599 - 2¹ = 1116660566597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116660566597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7067471862 + ... + 7067472019.

It is an arithmetic number, because the mean of its divisors is an integer number (282698877640).

Almost surely, 2^{1116660566599} is an apocalyptic number.

1116660566599 is a deficient number, since it is larger than the sum of its proper divisors (14134943961).

1116660566599 is an equidigital number, since it uses as much as digits as its factorization.

1116660566599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14134943960.

The product of its (nonzero) digits is 15746400, while the sum is 61.

The spelling of 1116660566599 in words is "one trillion, one hundred sixteen billion, six hundred sixty million, five hundred sixty-six thousand, five hundred ninety-nine".