6081978660 has 192 divisors, whose sum is σ = 18680094720. Its totient is φ = 1472808960.

The previous prime is 6081978653. The next prime is 6081978697. The reversal of 6081978660 is 668791806.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3992659 + ... + 3994181.

It is an arithmetic number, because the mean of its divisors is an integer number (97292160).

Almost surely, 2^6081978660 is an apocalyptic number.

6081978660 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 6081978660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9340047360).

6081978660 is an abundant number, since it is smaller than the sum of its proper divisors (12598116060).

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

6081978660 is a wasteful number, since it uses less digits than its factorization.

6081978660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698 (or 1696 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 6081978660 is about 77987.0416158992. The cubic root of 6081978660 is about 1825.3590246309.

The spelling of 6081978660 in words is "six billion, eighty-one million, nine hundred seventy-eight thousand, six hundred sixty".