268536766 has 16 divisors (see below), whose sum is σ = 424328400. Its totient is φ = 127104768.

The previous prime is 268536761. The next prime is 268536773. The reversal of 268536766 is 667635862.

It is a super-2 number, since 2×268536766² = 144223989387477512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268536761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84820 + ... + 87928.

It is an arithmetic number, because the mean of its divisors is an integer number (26520525).

Almost surely, 2^268536766 is an apocalyptic number.

268536766 is a deficient number, since it is larger than the sum of its proper divisors (155791634).

268536766 is a wasteful number, since it uses less digits than its factorization.

268536766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5403.

The product of its digits is 2177280, while the sum is 49.

The square root of 268536766 is about 16387.0914441825. The cubic root of 268536766 is about 645.1607203196.

The spelling of 268536766 in words is "two hundred sixty-eight million, five hundred thirty-six thousand, seven hundred sixty-six".