1066623133 has 2 divisors, whose sum is σ = 1066623134. Its totient is φ = 1066623132.

The previous prime is 1066623119. The next prime is 1066623149. The reversal of 1066623133 is 3313266601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 927689764 + 138933369 = 30458^2 + 11787^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066623133 - 2⁵ = 1066623101 is a prime.

It is a super-2 number, since 2×1066623133² = 2275369815701471378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066623095 and 1066623104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066623113) 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, 533311566 + 533311567.

It is an arithmetic number, because the mean of its divisors is an integer number (533311567).

Almost surely, 2^1066623133 is an apocalyptic number.

It is an amenable number.

1066623133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066623133 is an equidigital number, since it uses as much as digits as its factorization.

1066623133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 1066623133 is about 32659.1967598715. The cubic root of 1066623133 is about 1021.7320095609.

Adding to 1066623133 its reverse (3313266601), we get a palindrome (4379889734).

The spelling of 1066623133 in words is "one billion, sixty-six million, six hundred twenty-three thousand, one hundred thirty-three".