1066349143 has 2 divisors, whose sum is σ = 1066349144. Its totient is φ = 1066349142.

The previous prime is 1066349117. The next prime is 1066349147. The reversal of 1066349143 is 3419436601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1066349143 - 2⁹ = 1066348631 is a prime.

It is a super-2 number, since 2×1066349143² = 2274200989553668898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066349147) 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, 533174571 + 533174572.

It is an arithmetic number, because the mean of its divisors is an integer number (533174572).

Almost surely, 2^1066349143 is an apocalyptic number.

1066349143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066349143 is an equidigital number, since it uses as much as digits as its factorization.

1066349143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 1066349143 is about 32655.0018067677. The cubic root of 1066349143 is about 1021.6445158878.

The spelling of 1066349143 in words is "one billion, sixty-six million, three hundred forty-nine thousand, one hundred forty-three".