266266005 has 16 divisors (see below), whose sum is σ = 427097664. Its totient is φ = 141651200.

The previous prime is 266265983. The next prime is 266266027. The reversal of 266266005 is 500662662.

It is an interprime number because it is at equal distance from previous prime (266265983) and next prime (266266027).

It is not a de Polignac number, because 266266005 - 2¹¹ = 266263957 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 16119 + ... + 28148.

It is an arithmetic number, because the mean of its divisors is an integer number (26693604).

Almost surely, 2^266266005 is an apocalyptic number.

It is an amenable number.

266266005 is a deficient number, since it is larger than the sum of its proper divisors (160831659).

266266005 is a wasteful number, since it uses less digits than its factorization.

266266005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44676.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 266266005 is about 16317.6592990539. The cubic root of 266266005 is about 643.3370659995.

The spelling of 266266005 in words is "two hundred sixty-six million, two hundred sixty-six thousand, five".