266407684 has 9 divisors (see below), whose sum is σ = 466270581. Its totient is φ = 133187520.

The previous prime is 266407651. The next prime is 266407699. The reversal of 266407684 is 486704662.

The square root of 266407684 is 16322.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 98446084 + 167961600 = 9922^2 + 12960^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 266407684.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 28564 + ... + 36724.

Almost surely, 2^266407684 is an apocalyptic number.

266407684 is the 16322-nd square number.

It is an amenable number.

266407684 is a deficient number, since it is larger than the sum of its proper divisors (199862897).

266407684 is an frugal number, since it uses more digits than its factorization.

266407684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16326 (or 8163 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The cubic root of 266407684 is about 643.4511513989.

The spelling of 266407684 in words is "two hundred sixty-six million, four hundred seven thousand, six hundred eighty-four".