268275168 has 72 divisors (see below), whose sum is σ = 871900848. Its totient is φ = 76649472.

The previous prime is 268275167. The next prime is 268275179. The reversal of 268275168 is 861572862.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268275167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64521 + ... + 68552.

It is an arithmetic number, because the mean of its divisors is an integer number (12109734).

Almost surely, 2^268275168 is an apocalyptic number.

268275168 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

268275168 is an abundant number, since it is smaller than the sum of its proper divisors (603625680).

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

268275168 is a wasteful number, since it uses less digits than its factorization.

268275168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133096 (or 133085 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 268275168 is about 16379.1076680019. The cubic root of 268275168 is about 644.9511554863.

The spelling of 268275168 in words is "two hundred sixty-eight million, two hundred seventy-five thousand, one hundred sixty-eight".