6620547048 has 128 divisors (see below), whose sum is σ = 18105534720. Its totient is φ = 2008903680.

The previous prime is 6620547019. The next prime is 6620547049. The reversal of 6620547048 is 8407450266.

It is not an unprimeable number, because it can be changed into a prime (6620547049) by changing a digit.

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, 2731165 + ... + 2733587.

It is an arithmetic number, because the mean of its divisors is an integer number (141449490).

Almost surely, 2^6620547048 is an apocalyptic number.

6620547048 is a gapful number since it is divisible by the number (68) 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 6620547048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9052767360).

6620547048 is an abundant number, since it is smaller than the sum of its proper divisors (11484987672).

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

6620547048 is a wasteful number, since it uses less digits than its factorization.

6620547048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667 (or 2663 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 6620547048 is about 81366.7441157627. The cubic root of 6620547048 is about 1877.7219888310.

The spelling of 6620547048 in words is "six billion, six hundred twenty million, five hundred forty-seven thousand, forty-eight".