668834048 has 36 divisors (see below), whose sum is σ = 1405331760. Its totient is φ = 316813824.

The previous prime is 668834041. The next prime is 668834051. The reversal of 668834048 is 840438866.

It is a junction number, because it is equal to n+sod(n) for n = 668833993 and 668834011.

It is not an unprimeable number, because it can be changed into a prime (668834041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63890 + ... + 73617.

Almost surely, 2^668834048 is an apocalyptic number.

It is an amenable number.

668834048 is an abundant number, since it is smaller than the sum of its proper divisors (736497712).

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

668834048 is a wasteful number, since it uses less digits than its factorization.

668834048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137542 (or 137528 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 47.

The square root of 668834048 is about 25861.8260762847. The cubic root of 668834048 is about 874.5261316613.

The spelling of 668834048 in words is "six hundred sixty-eight million, eight hundred thirty-four thousand, forty-eight".