6555957856280 has 64 divisors (see below), whose sum is σ = 16858612442880. Its totient is φ = 2247698966400.

The previous prime is 6555957856237. The next prime is 6555957856337. The reversal of 6555957856280 is 826587595556.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 11369735 + ... + 11932425.

It is an arithmetic number, because the mean of its divisors is an integer number (263415819420).

Almost surely, 2^{6555957856280} is an apocalyptic number.

It is an amenable number.

6555957856280 is an abundant number, since it is smaller than the sum of its proper divisors (10302654586600).

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

6555957856280 is a wasteful number, since it uses less digits than its factorization.

6555957856280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604320 (or 604316 counting only the distinct ones).

The product of its (nonzero) digits is 907200000, while the sum is 71.

The spelling of 6555957856280 in words is "six trillion, five hundred fifty-five billion, nine hundred fifty-seven million, eight hundred fifty-six thousand, two hundred eighty".