6655080 has 64 divisors (see below), whose sum is σ = 20620800. Its totient is φ = 1716480.

The previous prime is 6655069. The next prime is 6655087. The reversal of 6655080 is 805566.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (6655087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2826 + ... + 4614.

It is an arithmetic number, because the mean of its divisors is an integer number (322200).

Almost surely, 2^6655080 is an apocalyptic number.

6655080 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 6655080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10310400).

6655080 is an abundant number, since it is smaller than the sum of its proper divisors (13965720).

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

6655080 is a wasteful number, since it uses less digits than its factorization.

6655080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834 (or 1830 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 6655080 is about 2579.7441733629. The cubic root of 6655080 is about 188.0981078398.

The spelling of 6655080 in words is "six million, six hundred fifty-five thousand, eighty".