668960482 has 12 divisors (see below), whose sum is σ = 1006245990. Its totient is φ = 333547248.

The previous prime is 668960477. The next prime is 668960507. The reversal of 668960482 is 284069866.

It can be written as a sum of positive squares in only one way, i.e., 450245961 + 218714521 = 21219^2 + 14789^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 826494 + ... + 827302.

Almost surely, 2^668960482 is an apocalyptic number.

668960482 is a deficient number, since it is larger than the sum of its proper divisors (337285508).

668960482 is an frugal number, since it uses more digits than its factorization.

668960482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097 (or 1454 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 668960482 is about 25864.2703743987. The cubic root of 668960482 is about 874.5812339550.

The spelling of 668960482 in words is "six hundred sixty-eight million, nine hundred sixty thousand, four hundred eighty-two".