6641818395114 has 192 divisors, whose sum is σ = 16055635968000. Its totient is φ = 1824421939200.

The previous prime is 6641818395073. The next prime is 6641818395127. The reversal of 6641818395114 is 4115938181466.

It is a super-2 number, since 2×6641818395114² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 978029059 + ... + 978035849.

It is an arithmetic number, because the mean of its divisors is an integer number (83623104000).

Almost surely, 2^{6641818395114} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6641818395114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8027817984000).

6641818395114 is an abundant number, since it is smaller than the sum of its proper divisors (9413817572886).

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

6641818395114 is a wasteful number, since it uses less digits than its factorization.

6641818395114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7529 (or 7522 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 57.

The spelling of 6641818395114 in words is "six trillion, six hundred forty-one billion, eight hundred eighteen million, three hundred ninety-five thousand, one hundred fourteen".