6840063046656 has 528 divisors, whose sum is σ = 23207384124288. Its totient is φ = 1899646156800.

The previous prime is 6840063046639. The next prime is 6840063046667. The reversal of 6840063046656 is 6566403600486.

It is a happy number.

6840063046656 is a `hidden beast` number, since 68 + 40 + 0 + 6 + 30 + 466 + 56 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 743238151 + ... + 743247353.

Almost surely, 2^{6840063046656} 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 6840063046656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11603692062144).

6840063046656 is an abundant number, since it is smaller than the sum of its proper divisors (16367321077632).

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

6840063046656 is a wasteful number, since it uses less digits than its factorization.

6840063046656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9558 (or 9537 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 54.

The spelling of 6840063046656 in words is "six trillion, eight hundred forty billion, sixty-three million, forty-six thousand, six hundred fifty-six".