1066105871 has 2 divisors, whose sum is σ = 1066105872. Its totient is φ = 1066105870.

The previous prime is 1066105861. The next prime is 1066105883. The reversal of 1066105871 is 1785016601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1066105871 - 2²² = 1061911567 is a prime.

It is a super-2 number, since 2×1066105871² = 2273163456361337282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066105811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533052935 + 533052936.

It is an arithmetic number, because the mean of its divisors is an integer number (533052936).

Almost surely, 2^1066105871 is an apocalyptic number.

1066105871 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066105871 is an equidigital number, since it uses as much as digits as its factorization.

1066105871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 1066105871 is about 32651.2767131700. The cubic root of 1066105871 is about 1021.5668188819.

The spelling of 1066105871 in words is "one billion, sixty-six million, one hundred five thousand, eight hundred seventy-one".