668408080200 has 192 divisors, whose sum is σ = 2396606607360. Its totient is φ = 150938200320.

The previous prime is 668408080169. The next prime is 668408080279. The reversal of 668408080200 is 2080804866.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 610104 + ... + 1307303.

It is an arithmetic number, because the mean of its divisors is an integer number (12482326080).

Almost surely, 2^668408080200 is an apocalyptic number.

668408080200 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

668408080200 is an abundant number, since it is smaller than the sum of its proper divisors (1728198527160).

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

668408080200 is a wasteful number, since it uses less digits than its factorization.

668408080200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917516 (or 1917507 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The spelling of 668408080200 in words is "six hundred sixty-eight billion, four hundred eight million, eighty thousand, two hundred".