266406275 has 12 divisors (see below), whose sum is σ = 332010000. Its totient is φ = 212050080.

The previous prime is 266406247. The next prime is 266406317. The reversal of 266406275 is 572604662.

It is not a de Polignac number, because 266406275 - 2⁶ = 266406211 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21800 + ... + 31749.

It is an arithmetic number, because the mean of its divisors is an integer number (27667500).

Almost surely, 2^266406275 is an apocalyptic number.

266406275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

266406275 is a deficient number, since it is larger than the sum of its proper divisors (65603725).

266406275 is a wasteful number, since it uses less digits than its factorization.

266406275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53758 (or 53753 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 266406275 is about 16321.9568373403. The cubic root of 266406275 is about 643.4500170169.

The spelling of 266406275 in words is "two hundred sixty-six million, four hundred six thousand, two hundred seventy-five".