6677662320780 has 96 divisors (see below), whose sum is σ = 21470761186560. Its totient is φ = 1533625793280.

The previous prime is 6677662320743. The next prime is 6677662320863. The reversal of 6677662320780 is 870232667766.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266241939 + ... + 266267018.

It is an arithmetic number, because the mean of its divisors is an integer number (223653762360).

Almost surely, 2^{6677662320780} is an apocalyptic number.

6677662320780 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6677662320780 is an abundant number, since it is smaller than the sum of its proper divisors (14793098865780).

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

6677662320780 is a wasteful number, since it uses less digits than its factorization.

6677662320780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532508999 (or 532508997 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 60.

The spelling of 6677662320780 in words is "six trillion, six hundred seventy-seven billion, six hundred sixty-two million, three hundred twenty thousand, seven hundred eighty".