66885052200 has 48 divisors (see below), whose sum is σ = 207343663680. Its totient is φ = 17836013760.

The previous prime is 66885052177. The next prime is 66885052207. The reversal of 66885052200 is 225058866.

66885052200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×66885052200² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66885052207) 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, 55736944 + ... + 55738143.

It is an arithmetic number, because the mean of its divisors is an integer number (4319659660).

Almost surely, 2^66885052200 is an apocalyptic number.

66885052200 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66885052200 is an abundant number, since it is smaller than the sum of its proper divisors (140458611480).

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

66885052200 is a wasteful number, since it uses less digits than its factorization.

66885052200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111475106 (or 111475097 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 66885052200 in words is "sixty-six billion, eight hundred eighty-five million, fifty-two thousand, two hundred".