6320566980 has 576 divisors, whose sum is σ = 25948016640. Its totient is φ = 1207084032.

The previous prime is 6320566963. The next prime is 6320566991. The reversal of 6320566980 is 896650236.

It is a happy number.

6320566980 is a `hidden beast` number, since 6 + 3 + 2 + 0 + 566 + 9 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 7157619 + ... + 7158501.

It is an arithmetic number, because the mean of its divisors is an integer number (45048640).

Almost surely, 2^6320566980 is an apocalyptic number.

6320566980 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 6320566980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12974008320).

6320566980 is an abundant number, since it is smaller than the sum of its proper divisors (19627449660).

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

6320566980 is a wasteful number, since it uses less digits than its factorization.

6320566980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 6320566980 is about 79501.9935599102. The cubic root of 6320566980 is about 1848.9223799592.

The spelling of 6320566980 in words is "six billion, three hundred twenty million, five hundred sixty-six thousand, nine hundred eighty".