266522066 has 16 divisors (see below), whose sum is σ = 413099520. Its totient is φ = 128831040.

The previous prime is 266522059. The next prime is 266522077. The reversal of 266522066 is 660225662.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 90875 + ... + 93761.

It is an arithmetic number, because the mean of its divisors is an integer number (25818720).

Almost surely, 2^266522066 is an apocalyptic number.

266522066 is a deficient number, since it is larger than the sum of its proper divisors (146577454).

266522066 is a wasteful number, since it uses less digits than its factorization.

266522066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4409.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 266522066 is about 16325.5035450671. The cubic root of 266522066 is about 643.5432266946.

The spelling of 266522066 in words is "two hundred sixty-six million, five hundred twenty-two thousand, sixty-six".