5516620660 has 24 divisors (see below), whose sum is σ = 11610272520. Its totient is φ = 2201816064.

The previous prime is 5516620657. The next prime is 5516620661. The reversal of 5516620660 is 660266155.

It can be written as a sum of positive squares in 4 ways, for example, as 1132591716 + 4384028944 = 33654^2 + 66212^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5516620661) 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, 292645 + ... + 310924.

It is an arithmetic number, because the mean of its divisors is an integer number (483761355).

Almost surely, 2^5516620660 is an apocalyptic number.

It is an amenable number.

5516620660 is an abundant number, since it is smaller than the sum of its proper divisors (6093651860).

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

5516620660 is a wasteful number, since it uses less digits than its factorization.

5516620660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604035 (or 604033 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 5516620660 is about 74273.9568085611. The cubic root of 5516620660 is about 1766.9504619839.

The spelling of 5516620660 in words is "five billion, five hundred sixteen million, six hundred twenty thousand, six hundred sixty".