268851610 has 16 divisors (see below), whose sum is σ = 484131816. Its totient is φ = 107496448.

The previous prime is 268851607. The next prime is 268851619. The reversal of 268851610 is 16158862.

It can be written as a sum of positive squares in 4 ways, for example, as 57410929 + 211440681 = 7577^2 + 14541^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 268851610.

It is not an unprimeable number, because it can be changed into a prime (268851619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32454 + ... + 39886.

Almost surely, 2^268851610 is an apocalyptic number.

268851610 is a deficient number, since it is larger than the sum of its proper divisors (215280206).

268851610 is a wasteful number, since it uses less digits than its factorization.

268851610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11057.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 268851610 is about 16396.6950938291. The cubic root of 268851610 is about 645.4127598601.

The spelling of 268851610 in words is "two hundred sixty-eight million, eight hundred fifty-one thousand, six hundred ten".