1066118513 has 2 divisors, whose sum is σ = 1066118514. Its totient is φ = 1066118512.

The previous prime is 1066118507. The next prime is 1066118549. The reversal of 1066118513 is 3158116601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 978938944 + 87179569 = 31288^2 + 9337^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066118513 - 2⁸ = 1066118257 is a prime.

It is a super-2 number, since 2×1066118513² = 2273217367522662338, 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 1066118513.

It is not a weakly prime, because it can be changed into another prime (1066117513) 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, 533059256 + 533059257.

It is an arithmetic number, because the mean of its divisors is an integer number (533059257).

Almost surely, 2^1066118513 is an apocalyptic number.

It is an amenable number.

1066118513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066118513 is an equidigital number, since it uses as much as digits as its factorization.

1066118513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 1066118513 is about 32651.4703038010. The cubic root of 1066118513 is about 1021.5708568163.

The spelling of 1066118513 in words is "one billion, sixty-six million, one hundred eighteen thousand, five hundred thirteen".