6557755107480 has 128 divisors (see below), whose sum is σ = 20832613171200. Its totient is φ = 1645702264832.

The previous prime is 6557755107469. The next prime is 6557755107493. The reversal of 6557755107480 is 847015577556.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20771689 + ... + 21085031.

It is an arithmetic number, because the mean of its divisors is an integer number (162754790400).

Almost surely, 2^{6557755107480} is an apocalyptic number.

6557755107480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6557755107480 is an abundant number, since it is smaller than the sum of its proper divisors (14274858063720).

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

6557755107480 is a wasteful number, since it uses less digits than its factorization.

6557755107480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323633 (or 323629 counting only the distinct ones).

The product of its (nonzero) digits is 41160000, while the sum is 60.

The spelling of 6557755107480 in words is "six trillion, five hundred fifty-seven billion, seven hundred fifty-five million, one hundred seven thousand, four hundred eighty".