266214266 has 4 divisors (see below), whose sum is σ = 399321402. Its totient is φ = 133107132.

The previous prime is 266214239. The next prime is 266214281. The reversal of 266214266 is 662412662.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 265527025 + 687241 = 16295^2 + 829^2 .

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 as a sum of consecutive naturals, namely, 66553565 + ... + 66553568.

Almost surely, 2^266214266 is an apocalyptic number.

266214266 is a deficient number, since it is larger than the sum of its proper divisors (133107136).

266214266 is a wasteful number, since it uses less digits than its factorization.

266214266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133107135.

The product of its digits is 41472, while the sum is 35.

The square root of 266214266 is about 16316.0738537186. The cubic root of 266214266 is about 643.2953936718.

The spelling of 266214266 in words is "two hundred sixty-six million, two hundred fourteen thousand, two hundred sixty-six".