266881130 has 16 divisors (see below), whose sum is σ = 508644360. Its totient is φ = 100472832.

The previous prime is 266881123. The next prime is 266881133. The reversal of 266881130 is 31188662.

266881130 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 224670121 + 42211009 = 14989^2 + 6497^2 .

It is not an unprimeable number, because it can be changed into a prime (266881133) 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, 784775 + ... + 785114.

Almost surely, 2^266881130 is an apocalyptic number.

266881130 is a deficient number, since it is larger than the sum of its proper divisors (241763230).

266881130 is a wasteful number, since it uses less digits than its factorization.

266881130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569913.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 266881130 is about 16336.4968705044. The cubic root of 266881130 is about 643.8320952267.

The spelling of 266881130 in words is "two hundred sixty-six million, eight hundred eighty-one thousand, one hundred thirty".