2660546560 has 96 divisors (see below), whose sum is σ = 7295914080. Its totient is φ = 912162816.

The previous prime is 2660546549. The next prime is 2660546561. The reversal of 2660546560 is 656450662.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660546561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53122 + ... + 90238.

It is an arithmetic number, because the mean of its divisors is an integer number (75999105).

Almost surely, 2^2660546560 is an apocalyptic number.

2660546560 is a gapful number since it is divisible by the number (20) 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 2660546560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3647957040).

2660546560 is an abundant number, since it is smaller than the sum of its proper divisors (4635367520).

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

2660546560 is an equidigital number, since it uses as much as digits as its factorization.

2660546560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37151 (or 37131 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 2660546560 is about 51580.4862326830. The cubic root of 2660546560 is about 1385.6608748525.

The spelling of 2660546560 in words is "two billion, six hundred sixty million, five hundred forty-six thousand, five hundred sixty".