6655320 has 192 divisors, whose sum is σ = 26208000. Its totient is φ = 1430784.

The previous prime is 6655309. The next prime is 6655321. The reversal of 6655320 is 235566.

6655320 is a `hidden beast` number, since 6 + 655 + 3 + 2 + 0 = 666.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6655321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47811 + ... + 47949.

It is an arithmetic number, because the mean of its divisors is an integer number (136500).

Almost surely, 2^6655320 is an apocalyptic number.

6655320 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 6655320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13104000).

6655320 is an abundant number, since it is smaller than the sum of its proper divisors (19552680).

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

6655320 is a wasteful number, since it uses less digits than its factorization.

6655320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 6655320 is about 2579.7906891839. The cubic root of 6655320 is about 188.1003689197.

The spelling of 6655320 in words is "six million, six hundred fifty-five thousand, three hundred twenty".