266706676 has 12 divisors (see below), whose sum is σ = 494191908. Its totient is φ = 125508992.

The previous prime is 266706647. The next prime is 266706697. The reversal of 266706676 is 676607662.

It can be written as a sum of positive squares in 2 ways, for example, as 98485776 + 168220900 = 9924^2 + 12970^2 .

It is a super-2 number, since 2×266706676² = 142264902045937952, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1961011 + ... + 1961146.

It is an arithmetic number, because the mean of its divisors is an integer number (41182659).

Almost surely, 2^266706676 is an apocalyptic number.

It is an amenable number.

266706676 is a deficient number, since it is larger than the sum of its proper divisors (227485232).

266706676 is a wasteful number, since it uses less digits than its factorization.

266706676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3922178 (or 3922176 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 46.

The square root of 266706676 is about 16331.1566032538. The cubic root of 266706676 is about 643.6917786162.

The spelling of 266706676 in words is "two hundred sixty-six million, seven hundred six thousand, six hundred seventy-six".