268681063 has 12 divisors (see below), whose sum is σ = 313750800. Its totient is φ = 229411392.

The previous prime is 268681051. The next prime is 268681079. The reversal of 268681063 is 360186862.

It is not a de Polignac number, because 268681063 - 2⁵ = 268681031 is a prime.

It is a super-2 number, since 2×268681063² = 144379027229619938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268681003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2463 + ... + 23311.

It is an arithmetic number, because the mean of its divisors is an integer number (26145900).

Almost surely, 2^268681063 is an apocalyptic number.

268681063 is a deficient number, since it is larger than the sum of its proper divisors (45069737).

268681063 is a wasteful number, since it uses less digits than its factorization.

268681063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21126 (or 21119 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 268681063 is about 16391.4936171174. The cubic root of 268681063 is about 645.2762576792.

The spelling of 268681063 in words is "two hundred sixty-eight million, six hundred eighty-one thousand, sixty-three".