6641412263244 has 192 divisors, whose sum is σ = 18828817459200. Its totient is φ = 2007731361600.

The previous prime is 6641412263243. The next prime is 6641412263257. The reversal of 6641412263244 is 4423622141466.

6641412263244 is a `hidden beast` number, since 6 + 6 + 4 + 1 + 4 + 1 + 2 + 2 + 632 + 4 + 4 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 6641412263244.

It is not an unprimeable number, because it can be changed into a prime (6641412263243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 952716679 + ... + 952723649.

It is an arithmetic number, because the mean of its divisors is an integer number (98066757600).

Almost surely, 2^{6641412263244} 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 6641412263244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9414408729600).

6641412263244 is an abundant number, since it is smaller than the sum of its proper divisors (12187405195956).

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

6641412263244 is a wasteful number, since it uses less digits than its factorization.

6641412263244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8801 (or 8793 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 45.

The spelling of 6641412263244 in words is "six trillion, six hundred forty-one billion, four hundred twelve million, two hundred sixty-three thousand, two hundred forty-four".