266872258 has 8 divisors (see below), whose sum is σ = 400396860. Its totient is φ = 133406640.

The previous prime is 266872237. The next prime is 266872357. The reversal of 266872258 is 852278662.

266872258 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 2 ways, for example, as 233081289 + 33790969 = 15267^2 + 5813^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793 + ... + 23116.

Almost surely, 2^266872258 is an apocalyptic number.

266872258 is a deficient number, since it is larger than the sum of its proper divisors (133524602).

266872258 is a wasteful number, since it uses less digits than its factorization.

266872258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29492.

The product of its digits is 645120, while the sum is 46.

The square root of 266872258 is about 16336.2253290042. The cubic root of 266872258 is about 643.8249607874.

The spelling of 266872258 in words is "two hundred sixty-six million, eight hundred seventy-two thousand, two hundred fifty-eight".