266563532 has 6 divisors (see below), whose sum is σ = 466486188. Its totient is φ = 133281764.

The previous prime is 266563529. The next prime is 266563567. The reversal of 266563532 is 235365662.

266563532 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×266563532² = 142112233184630048, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 33320438 + ... + 33320445.

It is an arithmetic number, because the mean of its divisors is an integer number (77747698).

Almost surely, 2^266563532 is an apocalyptic number.

It is an amenable number.

266563532 is a deficient number, since it is larger than the sum of its proper divisors (199922656).

266563532 is a wasteful number, since it uses less digits than its factorization.

266563532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66640887 (or 66640885 counting only the distinct ones).

The product of its digits is 194400, while the sum is 38.

The square root of 266563532 is about 16326.7734718162. The cubic root of 266563532 is about 643.5765995157.

The spelling of 266563532 in words is "two hundred sixty-six million, five hundred sixty-three thousand, five hundred thirty-two".