1166020027 has 2 divisors, whose sum is σ = 1166020028. Its totient is φ = 1166020026.

The previous prime is 1166019997. The next prime is 1166020057. The reversal of 1166020027 is 7200206611.

It is a balanced prime because it is at equal distance from previous prime (1166019997) and next prime (1166020057).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1166020027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1166019983 and 1166020010.

It is not a weakly prime, because it can be changed into another prime (1166020057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583010013 + 583010014.

It is an arithmetic number, because the mean of its divisors is an integer number (583010014).

Almost surely, 2^1166020027 is an apocalyptic number.

1166020027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166020027 is an equidigital number, since it uses as much as digits as its factorization.

1166020027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1166020027 is about 34147.0354057274. The cubic root of 1166020027 is about 1052.5320680137.

Adding to 1166020027 its reverse (7200206611), we get a palindrome (8366226638).

The spelling of 1166020027 in words is "one billion, one hundred sixty-six million, twenty thousand, twenty-seven".