6677406981144 has 80 divisors (see below), whose sum is σ = 18714999336000. Its totient is φ = 2224365064128.

The previous prime is 6677406981131. The next prime is 6677406981173. The reversal of 6677406981144 is 4411896047766.

6677406981144 is a `hidden beast` number, since 6 + 6 + 7 + 7 + 406 + 9 + 81 + 144 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2322472 + ... + 4329975.

It is an arithmetic number, because the mean of its divisors is an integer number (233937491700).

Almost surely, 2^{6677406981144} is an apocalyptic number.

It is an amenable number.

6677406981144 is an abundant number, since it is smaller than the sum of its proper divisors (12037592354856).

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

6677406981144 is a wasteful number, since it uses less digits than its factorization.

6677406981144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6654014 (or 6654001 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 6677406981144 in words is "six trillion, six hundred seventy-seven billion, four hundred six million, nine hundred eighty-one thousand, one hundred forty-four".