1166442423241 has 12 divisors (see below), whose sum is σ = 1249102873620. Its totient is φ = 1088514648320.

The previous prime is 1166442423239. The next prime is 1166442423257. The reversal of 1166442423241 is 1423242446611.

It can be written as a sum of positive squares in 2 ways, for example, as 227723657616 + 938718765625 = 477204^2 + 968875^2 .

It is not a de Polignac number, because 1166442423241 - 2¹ = 1166442423239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1166442423194 and 1166442423203.

It is not an unprimeable number, because it can be changed into a prime (1166442403241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26868496 + ... + 26911873.

It is an arithmetic number, because the mean of its divisors is an integer number (104091906135).

Almost surely, 2^{1166442423241} is an apocalyptic number.

It is an amenable number.

1166442423241 is a deficient number, since it is larger than the sum of its proper divisors (82660450379).

1166442423241 is an equidigital number, since it uses as much as digits as its factorization.

1166442423241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53780456 (or 53780433 counting only the distinct ones).

The product of its digits is 221184, while the sum is 40.

Adding to 1166442423241 its reverse (1423242446611), we get a palindrome (2589684869852).

The spelling of 1166442423241 in words is "one trillion, one hundred sixty-six billion, four hundred forty-two million, four hundred twenty-three thousand, two hundred forty-one".