266220682 has 16 divisors (see below), whose sum is σ = 491484672. Its totient is φ = 105318000.

The previous prime is 266220659. The next prime is 266220709. The reversal of 266220682 is 286022662.

It is a happy number.

266220682 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731194 + ... + 731557.

It is an arithmetic number, because the mean of its divisors is an integer number (30717792).

Almost surely, 2^266220682 is an apocalyptic number.

266220682 is a deficient number, since it is larger than the sum of its proper divisors (225263990).

266220682 is a wasteful number, since it uses less digits than its factorization.

266220682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462773.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 266220682 is about 16316.2704684618. The cubic root of 266220682 is about 643.3005616269.

The spelling of 266220682 in words is "two hundred sixty-six million, two hundred twenty thousand, six hundred eighty-two".