268126263 has 12 divisors (see below), whose sum is σ = 387510760. Its totient is φ = 178650576.

The previous prime is 268126247. The next prime is 268126273. The reversal of 268126263 is 362621862.

268126263 is a `hidden beast` number, since 26 + 8 + 1 + 2 + 626 + 3 = 666.

It is not a de Polignac number, because 268126263 - 2⁴ = 268126247 is a prime.

It is a super-3 number, since 3×268126263³ (a number of 26 digits) contains 333 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 (268126273) 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, 10920 + ... + 25602.

Almost surely, 2^268126263 is an apocalyptic number.

268126263 is a deficient number, since it is larger than the sum of its proper divisors (119384497).

268126263 is a wasteful number, since it uses less digits than its factorization.

268126263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16718 (or 16715 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 268126263 is about 16374.5614597766. The cubic root of 268126263 is about 644.8318075966.

The spelling of 268126263 in words is "two hundred sixty-eight million, one hundred twenty-six thousand, two hundred sixty-three".