1166331671 has 2 divisors, whose sum is σ = 1166331672. Its totient is φ = 1166331670.

The previous prime is 1166331653. The next prime is 1166331689. The reversal of 1166331671 is 1761336611.

It is a balanced prime because it is at equal distance from previous prime (1166331653) and next prime (1166331689).

It is a cyclic number.

It is not a de Polignac number, because 1166331671 - 2¹⁰ = 1166330647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1166331371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583165835 + 583165836.

It is an arithmetic number, because the mean of its divisors is an integer number (583165836).

Almost surely, 2^1166331671 is an apocalyptic number.

1166331671 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166331671 is an equidigital number, since it uses as much as digits as its factorization.

1166331671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 35.

The square root of 1166331671 is about 34151.5983666943. The cubic root of 1166331671 is about 1052.6258302927.

It can be divided in two parts, 11663 and 31671, that added together give a palindrome (43334).

The spelling of 1166331671 in words is "one billion, one hundred sixty-six million, three hundred thirty-one thousand, six hundred seventy-one".