1166411171 has 2 divisors, whose sum is σ = 1166411172. Its totient is φ = 1166411170.

The previous prime is 1166411143. The next prime is 1166411251. The reversal of 1166411171 is 1711146611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1166411171 - 2³⁰ = 92669347 is a prime.

It is not a weakly prime, because it can be changed into another prime (1166411111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583205585 + 583205586.

It is an arithmetic number, because the mean of its divisors is an integer number (583205586).

Almost surely, 2^1166411171 is an apocalyptic number.

1166411171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166411171 is an equidigital number, since it uses as much as digits as its factorization.

1166411171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 29.

The square root of 1166411171 is about 34152.7622748146. The cubic root of 1166411171 is about 1052.6497462605.

Adding to 1166411171 its reverse (1711146611), we get a palindrome (2877557782).

The spelling of 1166411171 in words is "one billion, one hundred sixty-six million, four hundred eleven thousand, one hundred seventy-one".