6816256500888 has 192 divisors, whose sum is σ = 19648511625600. Its totient is φ = 2128624634880.

The previous prime is 6816256500887. The next prime is 6816256500917. The reversal of 6816256500888 is 8880056526186.

6816256500888 is a `hidden beast` number, since 6 + 8 + 1 + 62 + 565 + 0 + 0 + 8 + 8 + 8 = 666.

It is a super-2 number, since 2×6816256500888² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6816256500887) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83539920 + ... + 83621472.

It is an arithmetic number, because the mean of its divisors is an integer number (102335998050).

Almost surely, 2^{6816256500888} 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 6816256500888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9824255812800).

6816256500888 is an abundant number, since it is smaller than the sum of its proper divisors (12832255124712).

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

6816256500888 is a wasteful number, since it uses less digits than its factorization.

6816256500888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82262 (or 82255 counting only the distinct ones).

The product of its (nonzero) digits is 44236800, while the sum is 63.

The spelling of 6816256500888 in words is "six trillion, eight hundred sixteen billion, two hundred fifty-six million, five hundred thousand, eight hundred eighty-eight".