66065698200 has 48 divisors (see below), whose sum is σ = 204803666280. Its totient is φ = 17617519360.

The previous prime is 66065698183. The next prime is 66065698201. The reversal of 66065698200 is 289656066.

66065698200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 66065698200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66065698201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55054149 + ... + 55055348.

Almost surely, 2^66065698200 is an apocalyptic number.

66065698200 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66065698200 is an abundant number, since it is smaller than the sum of its proper divisors (138737968080).

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

66065698200 is a wasteful number, since it uses less digits than its factorization.

66065698200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110109516 (or 110109507 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 66065698200 in words is "sixty-six billion, sixty-five million, six hundred ninety-eight thousand, two hundred".