266132260 has 12 divisors (see below), whose sum is σ = 558877788. Its totient is φ = 106452896.

The previous prime is 266132257. The next prime is 266132261. The reversal of 266132260 is 62231662.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 116510436 + 149621824 = 10794^2 + 12232^2 .

It is not an unprimeable number, because it can be changed into a prime (266132261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6653287 + ... + 6653326.

It is an arithmetic number, because the mean of its divisors is an integer number (46573149).

Almost surely, 2^266132260 is an apocalyptic number.

266132260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266132260 is an abundant number, since it is smaller than the sum of its proper divisors (292745528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266132260 is a wasteful number, since it uses less digits than its factorization.

266132260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13306622 (or 13306620 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 266132260 is about 16313.5606168611. The cubic root of 266132260 is about 643.2293322236.

The spelling of 266132260 in words is "two hundred sixty-six million, one hundred thirty-two thousand, two hundred sixty".