5105565660 has 96 divisors (see below), whose sum is σ = 15431980032. Its totient is φ = 1253756160.

The previous prime is 5105565629. The next prime is 5105565671. The reversal of 5105565660 is 665655015.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 328587 + ... + 343773.

It is an arithmetic number, because the mean of its divisors is an integer number (160749792).

Almost surely, 2^5105565660 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 5105565660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7715990016).

5105565660 is an abundant number, since it is smaller than the sum of its proper divisors (10326414372).

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

5105565660 is a wasteful number, since it uses less digits than its factorization.

5105565660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15643 (or 15641 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 39.

The square root of 5105565660 is about 71453.2410741458. The cubic root of 5105565660 is about 1721.9265482529.

The spelling of 5105565660 in words is "five billion, one hundred five million, five hundred sixty-five thousand, six hundred sixty".