668282468 has 24 divisors (see below), whose sum is σ = 1352672832. Its totient is φ = 282955104.

The previous prime is 668282453. The next prime is 668282501. The reversal of 668282468 is 864282866.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141455 + ... + 146102.

It is an arithmetic number, because the mean of its divisors is an integer number (56361368).

Almost surely, 2^668282468 is an apocalyptic number.

It is an amenable number.

668282468 is an abundant number, since it is smaller than the sum of its proper divisors (684390364).

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

668282468 is a wasteful number, since it uses less digits than its factorization.

668282468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287651 (or 287649 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 50.

The square root of 668282468 is about 25851.1598966081. The cubic root of 668282468 is about 874.2856615537.

It can be divided in two parts, 66828 and 2468, that added together give a palindrome (69296).

The spelling of 668282468 in words is "six hundred sixty-eight million, two hundred eighty-two thousand, four hundred sixty-eight".