268664884 has 6 divisors (see below), whose sum is σ = 470163554. Its totient is φ = 134332440.

The previous prime is 268664867. The next prime is 268664917. The reversal of 268664884 is 488466862.

It can be written as a sum of positive squares in only one way, i.e., 258244900 + 10419984 = 16070^2 + 3228^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33583107 + ... + 33583114.

Almost surely, 2^268664884 is an apocalyptic number.

It is an amenable number.

268664884 is a deficient number, since it is larger than the sum of its proper divisors (201498670).

268664884 is a wasteful number, since it uses less digits than its factorization.

268664884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67166225 (or 67166223 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 52.

The square root of 268664884 is about 16391.0000915136. Note that the first 4 decimals coincide. The cubic root of 268664884 is about 645.2633053533.

The spelling of 268664884 in words is "two hundred sixty-eight million, six hundred sixty-four thousand, eight hundred eighty-four".