266020466 has 16 divisors (see below), whose sum is σ = 407536920. Its totient is φ = 130204800.

The previous prime is 266020459. The next prime is 266020481. The reversal of 266020466 is 664020662.

266020466 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 237622225 + 28398241 = 15415^2 + 5329^2 .

It is a Curzon number.

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, 10580 + ... + 25376.

Almost surely, 2^266020466 is an apocalyptic number.

266020466 is a deficient number, since it is larger than the sum of its proper divisors (141516454).

266020466 is a wasteful number, since it uses less digits than its factorization.

266020466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14989.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 266020466 is about 16310.1338437181. The cubic root of 266020466 is about 643.1392526378.

The spelling of 266020466 in words is "two hundred sixty-six million, twenty thousand, four hundred sixty-six".