6606489600 has 576 divisors, whose sum is σ = 24982776000. Its totient is φ = 1731870720.

The previous prime is 6606489553. The next prime is 6606489607. The reversal of 6606489600 is 69846066.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (6606489607) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 111974371 + ... + 111974429.

It is an arithmetic number, because the mean of its divisors is an integer number (43372875).

Almost surely, 2^6606489600 is an apocalyptic number.

6606489600 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 6606489600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12491388000).

6606489600 is an abundant number, since it is smaller than the sum of its proper divisors (18376286400).

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

6606489600 is an frugal number, since it uses more digits than its factorization.

6606489600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 6606489600 is about 81280.3149600197. The cubic root of 6606489600 is about 1876.3920542429.

The spelling of 6606489600 in words is "six billion, six hundred six million, four hundred eighty-nine thousand, six hundred".