668473682298 has 16 divisors (see below), whose sum is σ = 1346565692640. Its totient is φ = 221221506096.

The previous prime is 668473682297. The next prime is 668473682309. The reversal of 668473682298 is 892286374866.

668473682298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (668473682293) 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, 400762765 + ... + 400764432.

It is an arithmetic number, because the mean of its divisors is an integer number (84160355790).

Almost surely, 2^668473682298 is an apocalyptic number.

668473682298 is an abundant number, since it is smaller than the sum of its proper divisors (678092010342).

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

668473682298 is a wasteful number, since it uses less digits than its factorization.

668473682298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801527341.

The product of its digits is 334430208, while the sum is 69.

The spelling of 668473682298 in words is "six hundred sixty-eight billion, four hundred seventy-three million, six hundred eighty-two thousand, two hundred ninety-eight".