6616948884 has 192 divisors, whose sum is σ = 19953991680. Its totient is φ = 1659709440.

The previous prime is 6616948861. The next prime is 6616948903. The reversal of 6616948884 is 4888496166.

It is a congruent 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, 1995612 + ... + 1998924.

It is an arithmetic number, because the mean of its divisors is an integer number (103927040).

Almost surely, 2^6616948884 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6616948884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9976995840).

6616948884 is an abundant number, since it is smaller than the sum of its proper divisors (13337042796).

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

6616948884 is a wasteful number, since it uses less digits than its factorization.

6616948884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3430 (or 3428 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 60.

The square root of 6616948884 is about 81344.6303329236. The cubic root of 6616948884 is about 1877.3817563208.

The spelling of 6616948884 in words is "six billion, six hundred sixteen million, nine hundred forty-eight thousand, eight hundred eighty-four".