1066641029 has 2 divisors, whose sum is σ = 1066641030. Its totient is φ = 1066641028.

The previous prime is 1066641011. The next prime is 1066641049. The reversal of 1066641029 is 9201466601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 863008129 + 203632900 = 29377^2 + 14270^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066641029 - 2¹⁶ = 1066575493 is a prime.

It is a super-2 number, since 2×1066641029² = 2275446169492357682, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1066641029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066641049) 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, 533320514 + 533320515.

It is an arithmetic number, because the mean of its divisors is an integer number (533320515).

Almost surely, 2^1066641029 is an apocalyptic number.

It is an amenable number.

1066641029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066641029 is an equidigital number, since it uses as much as digits as its factorization.

1066641029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 1066641029 is about 32659.4707397410. The cubic root of 1066641029 is about 1021.7377237984.

The spelling of 1066641029 in words is "one billion, sixty-six million, six hundred forty-one thousand, twenty-nine".