268736198 has 4 divisors (see below), whose sum is σ = 403104300. Its totient is φ = 134368098.

The previous prime is 268736189. The next prime is 268736213. The reversal of 268736198 is 891637862.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67184048 + ... + 67184051.

It is an arithmetic number, because the mean of its divisors is an integer number (100776075).

Almost surely, 2^268736198 is an apocalyptic number.

268736198 is a deficient number, since it is larger than the sum of its proper divisors (134368102).

268736198 is a wasteful number, since it uses less digits than its factorization.

268736198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134368101.

The product of its digits is 870912, while the sum is 50.

The square root of 268736198 is about 16393.1753482966. The cubic root of 268736198 is about 645.3203928740.

The spelling of 268736198 in words is "two hundred sixty-eight million, seven hundred thirty-six thousand, one hundred ninety-eight".