66220264200 has 96 divisors (see below), whose sum is σ = 206850108960. Its totient is φ = 17523916800.

The previous prime is 66220264199. The next prime is 66220264213. The reversal of 66220264200 is 246202266.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 342649 + ... + 499848.

It is an arithmetic number, because the mean of its divisors is an integer number (2154688635).

Almost surely, 2^66220264200 is an apocalyptic number.

66220264200 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66220264200 is an abundant number, since it is smaller than the sum of its proper divisors (140629844760).

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

66220264200 is a wasteful number, since it uses less digits than its factorization.

66220264200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842647 (or 842638 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 66220264200 its reverse (246202266), we get a palindrome (66466466466).

The spelling of 66220264200 in words is "sixty-six billion, two hundred twenty million, two hundred sixty-four thousand, two hundred".