1166435899 has 2 divisors, whose sum is σ = 1166435900. Its totient is φ = 1166435898.

The previous prime is 1166435873. The next prime is 1166435911. The reversal of 1166435899 is 9985346611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1166435899 - 2¹³ = 1166427707 is a prime.

It is not a weakly prime, because it can be changed into another prime (1166435849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583217949 + 583217950.

It is an arithmetic number, because the mean of its divisors is an integer number (583217950).

Almost surely, 2^1166435899 is an apocalyptic number.

1166435899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166435899 is an equidigital number, since it uses as much as digits as its factorization.

1166435899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 52.

The square root of 1166435899 is about 34153.1242933937. The cubic root of 1166435899 is about 1052.6571849579.

The spelling of 1166435899 in words is "one billion, one hundred sixty-six million, four hundred thirty-five thousand, eight hundred ninety-nine".