6608215416 has 128 divisors (see below), whose sum is σ = 18533007360. Its totient is φ = 1946352000.

The previous prime is 6608215403. The next prime is 6608215423. The reversal of 6608215416 is 6145128066.

It is a happy number.

It is a super-3 number, since 3×6608215416³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 1871845 + ... + 1875371.

It is an arithmetic number, because the mean of its divisors is an integer number (144789120).

Almost surely, 2^6608215416 is an apocalyptic number.

6608215416 is a gapful number since it is divisible by the number (66) 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 6608215416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9266503680).

6608215416 is an abundant number, since it is smaller than the sum of its proper divisors (11924791944).

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

6608215416 is a wasteful number, since it uses less digits than its factorization.

6608215416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3745 (or 3741 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 6608215416 is about 81290.9307118574. The cubic root of 6608215416 is about 1876.5554302406. Note that the first 3 decimals are identical.

The spelling of 6608215416 in words is "six billion, six hundred eight million, two hundred fifteen thousand, four hundred sixteen".