266099 has 2 divisors, whose sum is σ = 266100. Its totient is φ = 266098.

The previous prime is 266093. The next prime is 266111. The reversal of 266099 is 990662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 266099 - 2⁴ = 266083 is a prime.

It is a Sophie Germain prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 266099.

It is not a weakly prime, because it can be changed into another prime (266093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133049 + 133050.

It is an arithmetic number, because the mean of its divisors is an integer number (133050).

2²⁶⁶⁰⁹⁹ is an apocalyptic number.

266099 is a deficient number, since it is larger than the sum of its proper divisors (1).

266099 is an equidigital number, since it uses as much as digits as its factorization.

266099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 266099 is about 515.8478457840. The cubic root of 266099 is about 64.3202535148.

The spelling of 266099 in words is "two hundred sixty-six thousand, ninety-nine".