268806461 has 12 divisors (see below), whose sum is σ = 337675296. Its totient is φ = 209458920.

The previous prime is 268806457. The next prime is 268806491. The reversal of 268806461 is 164608862.

It is not a de Polignac number, because 268806461 - 2² = 268806457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268806491) 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, 157835 + ... + 159528.

It is an arithmetic number, because the mean of its divisors is an integer number (28139608).

Almost surely, 2^268806461 is an apocalyptic number.

It is an amenable number.

268806461 is a deficient number, since it is larger than the sum of its proper divisors (68868835).

268806461 is a wasteful number, since it uses less digits than its factorization.

268806461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317392 (or 317381 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 268806461 is about 16395.3182646754. The cubic root of 268806461 is about 645.3766291831.

The spelling of 268806461 in words is "two hundred sixty-eight million, eight hundred six thousand, four hundred sixty-one".