266532664 has 16 divisors (see below), whose sum is σ = 529146000. Its totient is φ = 125427072.

The previous prime is 266532653. The next prime is 266532683. The reversal of 266532664 is 466235662.

It is a congruent number.

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, 979764 + ... + 980035.

It is an arithmetic number, because the mean of its divisors is an integer number (33071625).

Almost surely, 2^266532664 is an apocalyptic number.

It is an amenable number.

266532664 is a deficient number, since it is larger than the sum of its proper divisors (262613336).

266532664 is a wasteful number, since it uses less digits than its factorization.

266532664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959822 (or 1959818 counting only the distinct ones).

The product of its digits is 311040, while the sum is 40.

The square root of 266532664 is about 16325.8281260094. The cubic root of 266532664 is about 643.5517565458.

The spelling of 266532664 in words is "two hundred sixty-six million, five hundred thirty-two thousand, six hundred sixty-four".