6609800736 has 576 divisors, whose sum is σ = 25219434240. Its totient is φ = 1589575680.

The previous prime is 6609800683. The next prime is 6609800741. The reversal of 6609800736 is 6370089066.

6609800736 is a `hidden beast` number, since 6 + 609 + 8 + 0 + 0 + 7 + 36 = 666.

It is a super-2 number, since 2×6609800736² = 87378931539252283392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6609800691 and 6609800700.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 33552190 + ... + 33552386.

It is an arithmetic number, because the mean of its divisors is an integer number (43783740).

Almost surely, 2^6609800736 is an apocalyptic number.

6609800736 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 6609800736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12609717120).

6609800736 is an abundant number, since it is smaller than the sum of its proper divisors (18609633504).

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

6609800736 is a wasteful number, since it uses less digits than its factorization.

6609800736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 6609800736 is about 81300.6810303579. The cubic root of 6609800736 is about 1876.7054809881.

The spelling of 6609800736 in words is "six billion, six hundred nine million, eight hundred thousand, seven hundred thirty-six".