6678463586672 has 40 divisors (see below), whose sum is σ = 14070960066096. Its totient is φ = 3057865675776.

The previous prime is 6678463586651. The next prime is 6678463586677. The reversal of 6678463586672 is 2766853648766.

It is a Harshad number since it is a multiple of its sum of digits (74).

It is a self number, because there is not a number n which added to its sum of digits gives 6678463586672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6678463586677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331789598 + ... + 331809725.

Almost surely, 2^{6678463586672} is an apocalyptic number.

It is an amenable number.

6678463586672 is an abundant number, since it is smaller than the sum of its proper divisors (7392496479424).

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

6678463586672 is a wasteful number, since it uses less digits than its factorization.

6678463586672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663599385 (or 663599379 counting only the distinct ones).

The product of its digits is 2926264320, while the sum is 74.

The spelling of 6678463586672 in words is "six trillion, six hundred seventy-eight billion, four hundred sixty-three million, five hundred eighty-six thousand, six hundred seventy-two".