1066263559 has 2 divisors, whose sum is σ = 1066263560. Its totient is φ = 1066263558.

The previous prime is 1066263551. The next prime is 1066263563. The reversal of 1066263559 is 9553626601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1066263559 - 2³ = 1066263551 is a prime.

It is a super-2 number, since 2×1066263559² = 2273835954502692962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066263551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533131779 + 533131780.

It is an arithmetic number, because the mean of its divisors is an integer number (533131780).

Almost surely, 2^1066263559 is an apocalyptic number.

1066263559 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066263559 is an equidigital number, since it uses as much as digits as its factorization.

1066263559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 291600, while the sum is 43.

The square root of 1066263559 is about 32653.6913533524. The cubic root of 1066263559 is about 1021.6171831378.

The spelling of 1066263559 in words is "one billion, sixty-six million, two hundred sixty-three thousand, five hundred fifty-nine".