1116656165655 has 16 divisors (see below), whose sum is σ = 1985166516960. Its totient is φ = 595549954944.

The previous prime is 1116656165543. The next prime is 1116656165657. The reversal of 1116656165655 is 5565616566111.

1116656165655 is a `hidden beast` number, since 1 + 1 + 1 + 6 + 65 + 6 + 16 + 565 + 5 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1116656165655 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116656165657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4135763442 + ... + 4135763711.

It is an arithmetic number, because the mean of its divisors is an integer number (124072907310).

Almost surely, 2^{1116656165655} is an apocalyptic number.

1116656165655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1116656165655 is a deficient number, since it is larger than the sum of its proper divisors (868510351305).

1116656165655 is an equidigital number, since it uses as much as digits as its factorization.

1116656165655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8271527167 (or 8271527161 counting only the distinct ones).

The product of its digits is 4860000, while the sum is 54.

The spelling of 1116656165655 in words is "one trillion, one hundred sixteen billion, six hundred fifty-six million, one hundred sixty-five thousand, six hundred fifty-five".