6678842446356 has 24 divisors (see below), whose sum is σ = 15584028554304. Its totient is φ = 2226271837440.

The previous prime is 6678842446349. The next prime is 6678842446363. The reversal of 6678842446356 is 6536442488766.

It is an interprime number because it is at equal distance from previous prime (6678842446349) and next prime (6678842446363).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2426161 + ... + 4386791.

It is an arithmetic number, because the mean of its divisors is an integer number (649334523096).

Almost surely, 2^{6678842446356} is an apocalyptic number.

It is an amenable number.

6678842446356 is an abundant number, since it is smaller than the sum of its proper divisors (8905186107948).

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

6678842446356 is a wasteful number, since it uses less digits than its factorization.

6678842446356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244511 (or 2244509 counting only the distinct ones).

The product of its digits is 1114767360, while the sum is 69.

The spelling of 6678842446356 in words is "six trillion, six hundred seventy-eight billion, eight hundred forty-two million, four hundred forty-six thousand, three hundred fifty-six".