6611130720 has 72 divisors (see below), whose sum is σ = 22560488496. Its totient is φ = 1762967808.

The previous prime is 6611130719. The next prime is 6611130727. The reversal of 6611130720 is 270311166.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6611130727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2294092 + ... + 2296971.

It is an arithmetic number, because the mean of its divisors is an integer number (313340118).

Almost surely, 2^6611130720 is an apocalyptic number.

6611130720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6611130720 is an abundant number, since it is smaller than the sum of its proper divisors (15949357776).

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

6611130720 is a wasteful number, since it uses less digits than its factorization.

6611130720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4591084 (or 4591073 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 6611130720 is about 81308.8600338241. The cubic root of 6611130720 is about 1876.8313456433.

Adding to 6611130720 its reverse (270311166), we get a palindrome (6881441886).

The spelling of 6611130720 in words is "six billion, six hundred eleven million, one hundred thirty thousand, seven hundred twenty".