52065660660 has 96 divisors (see below), whose sum is σ = 157361594880. Its totient is φ = 12786481152.

The previous prime is 52065660607. The next prime is 52065660697. The reversal of 52065660660 is 6606656025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 260661 + ... + 414819.

It is an arithmetic number, because the mean of its divisors is an integer number (1639183280).

Almost surely, 2^52065660660 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 52065660660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78680797440).

52065660660 is an abundant number, since it is smaller than the sum of its proper divisors (105295934220).

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

52065660660 is a wasteful number, since it uses less digits than its factorization.

52065660660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154617 (or 154615 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 52065660660 in words is "fifty-two billion, sixty-five million, six hundred sixty thousand, six hundred sixty".