268016918 has 32 divisors (see below), whose sum is σ = 447999552. Its totient is φ = 119462400.

The previous prime is 268016911. The next prime is 268016923. The reversal of 268016918 is 819610862.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268016911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108578 + ... + 111018.

It is an arithmetic number, because the mean of its divisors is an integer number (13999986).

Almost surely, 2^268016918 is an apocalyptic number.

268016918 is a deficient number, since it is larger than the sum of its proper divisors (179982634).

268016918 is a wasteful number, since it uses less digits than its factorization.

268016918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 268016918 is about 16371.2222512554. Note that the first 4 decimals coincide. The cubic root of 268016918 is about 644.7441390480.

The spelling of 268016918 in words is "two hundred sixty-eight million, sixteen thousand, nine hundred eighteen".