6807560645655 has 512 divisors, whose sum is σ = 16233136128000. Its totient is φ = 2679309964800.

The previous prime is 6807560645629. The next prime is 6807560645681. The reversal of 6807560645655 is 5565460657086.

6807560645655 is a `hidden beast` number, since 6 + 8 + 0 + 7 + 5 + 6 + 0 + 64 + 565 + 5 = 666.

6807560645655 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6807560645629) and next prime (6807560645681).

It is not a de Polignac number, because 6807560645655 - 2⁵ = 6807560645623 is a prime.

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 = 6807560645592 and 6807560645601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 742125649 + ... + 742134821.

It is an arithmetic number, because the mean of its divisors is an integer number (31705344000).

Almost surely, 2^{6807560645655} is an apocalyptic number.

6807560645655 is an abundant number, since it is smaller than the sum of its proper divisors (9425575482345).

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

6807560645655 is a wasteful number, since it uses less digits than its factorization.

6807560645655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9297 (or 9277 counting only the distinct ones).

The product of its (nonzero) digits is 181440000, while the sum is 63.

The spelling of 6807560645655 in words is "six trillion, eight hundred seven billion, five hundred sixty million, six hundred forty-five thousand, six hundred fifty-five".