668200733548 has 12 divisors (see below), whose sum is σ = 1194231098592. Its totient is φ = 326991848240.

The previous prime is 668200733533. The next prime is 668200733581. The reversal of 668200733548 is 845337002866.

It is a junction number, because it is equal to n+sod(n) for n = 668200733495 and 668200733504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1777129423 + ... + 1777129798.

It is an arithmetic number, because the mean of its divisors is an integer number (99519258216).

Almost surely, 2^668200733548 is an apocalyptic number.

It is an amenable number.

668200733548 is a deficient number, since it is larger than the sum of its proper divisors (526030365044).

668200733548 is a wasteful number, since it uses less digits than its factorization.

668200733548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3554259272 (or 3554259270 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 668200733548 in words is "six hundred sixty-eight billion, two hundred million, seven hundred thirty-three thousand, five hundred forty-eight".