66683020200 has 192 divisors, whose sum is σ = 219217129920. Its totient is φ = 16710144000.

The previous prime is 66683020111. The next prime is 66683020219. The reversal of 66683020200 is 202038666.

66683020200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7043470 + ... + 7052930.

It is an arithmetic number, because the mean of its divisors is an integer number (1141755885).

Almost surely, 2^66683020200 is an apocalyptic number.

66683020200 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66683020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109608564960).

66683020200 is an abundant number, since it is smaller than the sum of its proper divisors (152534109720).

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

66683020200 is a wasteful number, since it uses less digits than its factorization.

66683020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10188 (or 10179 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 66683020200 its reverse (202038666), we get a palindrome (66885058866).

The spelling of 66683020200 in words is "sixty-six billion, six hundred eighty-three million, twenty thousand, two hundred".