268416918 has 48 divisors (see below), whose sum is σ = 725078016. Its totient is φ = 69718320.

The previous prime is 268416917. The next prime is 268416931. The reversal of 268416918 is 819614862.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268416917) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95446 + ... + 98217.

It is an arithmetic number, because the mean of its divisors is an integer number (15105792).

Almost surely, 2^268416918 is an apocalyptic number.

268416918 is an abundant number, since it is smaller than the sum of its proper divisors (456661098).

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

268416918 is a wasteful number, since it uses less digits than its factorization.

268416918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193689 (or 193686 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 268416918 is about 16383.4342553690. The cubic root of 268416918 is about 645.0647275947.

The spelling of 268416918 in words is "two hundred sixty-eight million, four hundred sixteen thousand, nine hundred eighteen".