6555120 has 160 divisors (see below), whose sum is σ = 23998464. Its totient is φ = 1459200.

The previous prime is 6555119. The next prime is 6555139. The reversal of 6555120 is 215556.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34225 + ... + 34415.

Almost surely, 2^6555120 is an apocalyptic number.

6555120 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 6555120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11999232).

6555120 is an abundant number, since it is smaller than the sum of its proper divisors (17443344).

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

6555120 is a wasteful number, since it uses less digits than its factorization.

6555120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 6555120 is about 2560.2968577882. The cubic root of 6555120 is about 187.1516019233.

It can be divided in two parts, 655 and 5120, that added together give a palindrome (5775).

The spelling of 6555120 in words is "six million, five hundred fifty-five thousand, one hundred twenty".