268941688 has 8 divisors (see below), whose sum is σ = 504265680. Its totient is φ = 134470840.

The previous prime is 268941653. The next prime is 268941703. The reversal of 268941688 is 886149862.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 16808848 + ... + 16808863.

It is an arithmetic number, because the mean of its divisors is an integer number (63033210).

Almost surely, 2^268941688 is an apocalyptic number.

It is an amenable number.

268941688 is a deficient number, since it is larger than the sum of its proper divisors (235323992).

268941688 is a wasteful number, since it uses less digits than its factorization.

268941688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33617717 (or 33617713 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 52.

The square root of 268941688 is about 16399.4416978140. The cubic root of 268941688 is about 645.4848330741.

It can be divided in two parts, 26894 and 1688, that added together give a palindrome (28582).

The spelling of 268941688 in words is "two hundred sixty-eight million, nine hundred forty-one thousand, six hundred eighty-eight".