668088008 has 32 divisors (see below), whose sum is σ = 1433020800. Its totient is φ = 286042752.

The previous prime is 668088007. The next prime is 668088011. The reversal of 668088008 is 800880866.

668088008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 668088008.

It is not an unprimeable number, because it can be changed into a prime (668088007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57941 + ... + 68507.

It is an arithmetic number, because the mean of its divisors is an integer number (44781900).

Almost surely, 2^668088008 is an apocalyptic number.

It is an amenable number.

668088008 is an abundant number, since it is smaller than the sum of its proper divisors (764932792).

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

668088008 is a wasteful number, since it uses less digits than its factorization.

668088008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11709 (or 11705 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 44.

The square root of 668088008 is about 25847.3984764425. The cubic root of 668088008 is about 874.2008520651.

The spelling of 668088008 in words is "six hundred sixty-eight million, eighty-eight thousand, eight".