6606316918656 has 1536 divisors, whose sum is σ = 25744994795520. Its totient is φ = 1576281047040.

The previous prime is 6606316918651. The next prime is 6606316918657. The reversal of 6606316918656 is 6568196136066.

It is a happy number.

6606316918656 is a `hidden beast` number, since 6 + 606 + 3 + 1 + 6 + 9 + 18 + 6 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 6606316918593 and 6606316918602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6606316918651) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 10883553105 + ... + 10883553711.

It is an arithmetic number, because the mean of its divisors is an integer number (16761064320).

Almost surely, 2^{6606316918656} 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 6606316918656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12872497397760).

6606316918656 is an abundant number, since it is smaller than the sum of its proper divisors (19138677876864).

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

6606316918656 is a wasteful number, since it uses less digits than its factorization.

6606316918656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 63.

The spelling of 6606316918656 in words is "six trillion, six hundred six billion, three hundred sixteen million, nine hundred eighteen thousand, six hundred fifty-six".