6634465465650 has 384 divisors, whose sum is σ = 19972791945216. Its totient is φ = 1438572441600.

The previous prime is 6634465465637. The next prime is 6634465465669. The reversal of 6634465465650 is 565645644366.

It is a super-2 number, since 2×6634465465650² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 44553219 + ... + 44701881.

It is an arithmetic number, because the mean of its divisors is an integer number (52012479024).

Almost surely, 2^{6634465465650} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6634465465650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9986395972608).

6634465465650 is an abundant number, since it is smaller than the sum of its proper divisors (13338326479566).

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

6634465465650 is a wasteful number, since it uses less digits than its factorization.

6634465465650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148786 (or 148781 counting only the distinct ones).

The product of its (nonzero) digits is 186624000, while the sum is 60.

The spelling of 6634465465650 in words is "six trillion, six hundred thirty-four billion, four hundred sixty-five million, four hundred sixty-five thousand, six hundred fifty".