6671584554456 has 64 divisors (see below), whose sum is σ = 17480804140800. Its totient is φ = 2117801045888.

The previous prime is 6671584554451. The next prime is 6671584554463. The reversal of 6671584554456 is 6544554851766.

It is a super-3 number, since 3×6671584554456³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6671584554451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26496291 + ... + 26746898.

It is an arithmetic number, because the mean of its divisors is an integer number (273137564700).

Almost surely, 2^{6671584554456} is an apocalyptic number.

It is an amenable number.

6671584554456 is an abundant number, since it is smaller than the sum of its proper divisors (10809219586344).

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

6671584554456 is a wasteful number, since it uses less digits than its factorization.

6671584554456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53243448 (or 53243444 counting only the distinct ones).

The product of its digits is 483840000, while the sum is 66.

The spelling of 6671584554456 in words is "six trillion, six hundred seventy-one billion, five hundred eighty-four million, five hundred fifty-four thousand, four hundred fifty-six".