60665655560 has 64 divisors (see below), whose sum is σ = 143789385600. Its totient is φ = 22971879936.

The previous prime is 60665655559. The next prime is 60665655569. The reversal of 60665655560 is 6555656606.

It is a happy number.

60665655560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 60665655499 and 60665655508.

It is not an unprimeable number, because it can be changed into a prime (60665655569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1009724 + ... + 1068116.

It is an arithmetic number, because the mean of its divisors is an integer number (2246709150).

Almost surely, 2^60665655560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60665655560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71894692800).

60665655560 is an abundant number, since it is smaller than the sum of its proper divisors (83123730040).

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

60665655560 is a wasteful number, since it uses less digits than its factorization.

60665655560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59790 (or 59786 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 50.

The spelling of 60665655560 in words is "sixty billion, six hundred sixty-five million, six hundred fifty-five thousand, five hundred sixty".