268190918 has 8 divisors (see below), whose sum is σ = 409876848. Its totient is φ = 131565304.

The previous prime is 268190891. The next prime is 268190939. The reversal of 268190918 is 819091862.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1264946 + ... + 1265157.

It is an arithmetic number, because the mean of its divisors is an integer number (51234606).

Almost surely, 2^268190918 is an apocalyptic number.

268190918 is a deficient number, since it is larger than the sum of its proper divisors (141685930).

268190918 is a wasteful number, since it uses less digits than its factorization.

268190918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530158.

The product of its (nonzero) digits is 62208, while the sum is 44.

The square root of 268190918 is about 16376.5355921208. The cubic root of 268190918 is about 644.8836342365.

The spelling of 268190918 in words is "two hundred sixty-eight million, one hundred ninety thousand, nine hundred eighteen".