668532245118 has 16 divisors (see below), whose sum is σ = 1359726600960. Its totient is φ = 219067063256.

The previous prime is 668532245089. The next prime is 668532245203. The reversal of 668532245118 is 811542235866.

668532245118 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 944254230 + ... + 944254937.

It is an arithmetic number, because the mean of its divisors is an integer number (84982912560).

Almost surely, 2^668532245118 is an apocalyptic number.

668532245118 is an abundant number, since it is smaller than the sum of its proper divisors (691194355842).

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

668532245118 is a wasteful number, since it uses less digits than its factorization.

668532245118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888509231.

The product of its digits is 2764800, while the sum is 51.

The spelling of 668532245118 in words is "six hundred sixty-eight billion, five hundred thirty-two million, two hundred forty-five thousand, one hundred eighteen".