6609960 has 192 divisors, whose sum is σ = 25534080. Its totient is φ = 1451520.

The previous prime is 6609893. The next prime is 6609971. The reversal of 6609960 is 699066.

6609960 = T₅₉₇ + T₅₉₈ + ... + T₆₃₁.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 108330 + ... + 108390.

It is an arithmetic number, because the mean of its divisors is an integer number (132990).

Almost surely, 2^6609960 is an apocalyptic number.

6609960 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 6609960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12767040).

6609960 is an abundant number, since it is smaller than the sum of its proper divisors (18924120).

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

6609960 is a wasteful number, since it uses less digits than its factorization.

6609960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 6609960 is about 2570.9842473263. The cubic root of 6609960 is about 187.6720554020.

It can be divided in two parts, 6609 and 960, that added together give a square (7569 = 87²).

The spelling of 6609960 in words is "six million, six hundred nine thousand, nine hundred sixty".