1066365499 has 2 divisors, whose sum is σ = 1066365500. Its totient is φ = 1066365498.

The previous prime is 1066365449. The next prime is 1066365527. The reversal of 1066365499 is 9945636601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1066365499 - 2⁷ = 1066365371 is a prime.

It is a super-2 number, since 2×1066365499² = 2274270754915038002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1066365449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533182749 + 533182750.

It is an arithmetic number, because the mean of its divisors is an integer number (533182750).

Almost surely, 2^1066365499 is an apocalyptic number.

1066365499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066365499 is an equidigital number, since it uses as much as digits as its factorization.

1066365499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1049760, while the sum is 49.

The square root of 1066365499 is about 32655.2522421738. The cubic root of 1066365499 is about 1021.6497392965.

The spelling of 1066365499 in words is "one billion, sixty-six million, three hundred sixty-five thousand, four hundred ninety-nine".