6681477120 has 240 divisors, whose sum is σ = 22094919168. Its totient is φ = 1722286080.

The previous prime is 6681477097. The next prime is 6681477149. The reversal of 6681477120 is 217741866.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7618122 + ... + 7618998.

Almost surely, 2^6681477120 is an apocalyptic number.

6681477120 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 6681477120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11047459584).

6681477120 is an abundant number, since it is smaller than the sum of its proper divisors (15413442048).

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

6681477120 is an equidigital number, since it uses as much as digits as its factorization.

6681477120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 6681477120 is about 81740.3029111099. The cubic root of 6681477120 is about 1883.4647439740.

The spelling of 6681477120 in words is "six billion, six hundred eighty-one million, four hundred seventy-seven thousand, one hundred twenty".