268243158 has 16 divisors (see below), whose sum is σ = 559812096. Its totient is φ = 85526760.

The previous prime is 268243141. The next prime is 268243189. The reversal of 268243158 is 851342862.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 971758 + ... + 972033.

It is an arithmetic number, because the mean of its divisors is an integer number (34988256).

Almost surely, 2^268243158 is an apocalyptic number.

268243158 is an abundant number, since it is smaller than the sum of its proper divisors (291568938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268243158 is a wasteful number, since it uses less digits than its factorization.

268243158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943819.

The product of its digits is 92160, while the sum is 39.

The square root of 268243158 is about 16378.1304793923. The cubic root of 268243158 is about 644.9255030840.

The spelling of 268243158 in words is "two hundred sixty-eight million, two hundred forty-three thousand, one hundred fifty-eight".