2660541320 has 16 divisors (see below), whose sum is σ = 5986218060. Its totient is φ = 1064216512.

The previous prime is 2660541227. The next prime is 2660541337. The reversal of 2660541320 is 231450662.

It can be written as a sum of positive squares in 2 ways, for example, as 2469493636 + 191047684 = 49694^2 + 13822^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33256727 + ... + 33256806.

Almost surely, 2^2660541320 is an apocalyptic number.

2660541320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2660541320 is an abundant number, since it is smaller than the sum of its proper divisors (3325676740).

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

2660541320 is a wasteful number, since it uses less digits than its factorization.

2660541320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66513544 (or 66513540 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2660541320 is about 51580.4354382551. The cubic root of 2660541320 is about 1385.6599651563.

Adding to 2660541320 its reverse (231450662), we get a palindrome (2891991982).

The spelling of 2660541320 in words is "two billion, six hundred sixty million, five hundred forty-one thousand, three hundred twenty".