6605606700 has 1080 divisors, whose sum is σ = 29094856560. Its totient is φ = 1277337600.

The previous prime is 6605606669. The next prime is 6605606701. The reversal of 6605606700 is 76065066.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6605606701) 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 359 ways as a sum of consecutive naturals, for example, 74220256 + ... + 74220344.

It is an arithmetic number, because the mean of its divisors is an integer number (26939682).

Almost surely, 2^6605606700 is an apocalyptic number.

6605606700 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 6605606700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14547428280).

6605606700 is an abundant number, since it is smaller than the sum of its proper divisors (22489249860).

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

6605606700 is a wasteful number, since it uses less digits than its factorization.

6605606700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 6605606700 is about 81274.8835742014. The cubic root of 6605606700 is about 1876.3084626812.

The spelling of 6605606700 in words is "six billion, six hundred five million, six hundred six thousand, seven hundred".