266880212 has 24 divisors (see below), whose sum is σ = 495671400. Its totient is φ = 125296640.

The previous prime is 266880203. The next prime is 266880217. The reversal of 266880212 is 212088662.

266880212 is digitally balanced in base 2, 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 45346756 + 221533456 = 6734^2 + 14884^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266880217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26162 + ... + 34902.

It is an arithmetic number, because the mean of its divisors is an integer number (20652975).

Almost surely, 2^266880212 is an apocalyptic number.

It is an amenable number.

266880212 is a deficient number, since it is larger than the sum of its proper divisors (228791188).

266880212 is a wasteful number, since it uses less digits than its factorization.

266880212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9211 (or 9209 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 266880212 is about 16336.4687738813. The cubic root of 266880212 is about 643.8313570222.

The spelling of 266880212 in words is "two hundred sixty-six million, eight hundred eighty thousand, two hundred twelve".