268389158 has 8 divisors (see below), whose sum is σ = 402674160. Its totient is φ = 134164440.

The previous prime is 268389151. The next prime is 268389161. The reversal of 268389158 is 851983862.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268389151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1493 + ... + 23216.

It is an arithmetic number, because the mean of its divisors is an integer number (50334270).

Almost surely, 2^268389158 is an apocalyptic number.

268389158 is a deficient number, since it is larger than the sum of its proper divisors (134285002).

268389158 is a wasteful number, since it uses less digits than its factorization.

268389158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30142.

The product of its digits is 829440, while the sum is 50.

The square root of 268389158 is about 16382.5870362406. The cubic root of 268389158 is about 645.0424890384.

The spelling of 268389158 in words is "two hundred sixty-eight million, three hundred eighty-nine thousand, one hundred fifty-eight".