6677580660 has 96 divisors (see below), whose sum is σ = 18918555264. Its totient is φ = 1759680000.

The previous prime is 6677580659. The next prime is 6677580713. The reversal of 6677580660 is 660857766.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5701875 + ... + 5703045.

It is an arithmetic number, because the mean of its divisors is an integer number (197068284).

Almost surely, 2^6677580660 is an apocalyptic number.

6677580660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6677580660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9459277632).

6677580660 is an abundant number, since it is smaller than the sum of its proper divisors (12240974604).

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

6677580660 is a wasteful number, since it uses less digits than its factorization.

6677580660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225 (or 2223 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 51.

The square root of 6677580660 is about 81716.4650483610. The cubic root of 6677580660 is about 1883.0985439071.

The spelling of 6677580660 in words is "six billion, six hundred seventy-seven million, five hundred eighty thousand, six hundred sixty".