6609980160 has 576 divisors, whose sum is σ = 27196646400. Its totient is φ = 1489010688.

The previous prime is 6609980149. The next prime is 6609980183. The reversal of 6609980160 is 610899066.

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 an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21530727 + ... + 21531033.

It is an arithmetic number, because the mean of its divisors is an integer number (47216400).

Almost surely, 2^6609980160 is an apocalyptic number.

6609980160 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 6609980160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13598323200).

6609980160 is an abundant number, since it is smaller than the sum of its proper divisors (20586666240).

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

6609980160 is a wasteful number, since it uses less digits than its factorization.

6609980160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 6609980160 is about 81301.7844822609. The cubic root of 6609980160 is about 1876.7224619820.

The spelling of 6609980160 in words is "six billion, six hundred nine million, nine hundred eighty thousand, one hundred sixty".