66002224504100 has 72 divisors (see below), whose sum is σ = 145198409207040. Its totient is φ = 26037153665280.

The previous prime is 66002224504067. The next prime is 66002224504127. The reversal of 66002224504100 is 140542220066.

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, 92669141 + ... + 93378659.

It is an arithmetic number, because the mean of its divisors is an integer number (2016644572320).

Almost surely, 2^{66002224504100} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66002224504100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72599204603520).

66002224504100 is an abundant number, since it is smaller than the sum of its proper divisors (79196184702940).

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

66002224504100 is a wasteful number, since it uses less digits than its factorization.

66002224504100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722349 (or 722342 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 66002224504100 its reverse (140542220066), we get a palindrome (66142766724166).

The spelling of 66002224504100 in words is "sixty-six trillion, two billion, two hundred twenty-four million, five hundred four thousand, one hundred".