268855591 has 8 divisors (see below), whose sum is σ = 282766464. Its totient is φ = 255272160.

The previous prime is 268855541. The next prime is 268855597. The reversal of 268855591 is 195558862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 268855591 - 2⁹ = 268855079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268855597) 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, 80176 + ... + 83461.

It is an arithmetic number, because the mean of its divisors is an integer number (35345808).

Almost surely, 2^268855591 is an apocalyptic number.

268855591 is a deficient number, since it is larger than the sum of its proper divisors (13910873).

268855591 is a wasteful number, since it uses less digits than its factorization.

268855591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163721.

The product of its digits is 864000, while the sum is 49.

The square root of 268855591 is about 16396.8164897946. The cubic root of 268855591 is about 645.4159454780.

The spelling of 268855591 in words is "two hundred sixty-eight million, eight hundred fifty-five thousand, five hundred ninety-one".