8105289660 has 144 divisors (see below), whose sum is σ = 26515812960. Its totient is φ = 1992245760.

The previous prime is 8105289653. The next prime is 8105289757. The reversal of 8105289660 is 669825018.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1919031 + ... + 1923249.

It is an arithmetic number, because the mean of its divisors is an integer number (184137590).

Almost surely, 2^8105289660 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 8105289660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13257906480).

8105289660 is an abundant number, since it is smaller than the sum of its proper divisors (18410523300).

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

8105289660 is a wasteful number, since it uses less digits than its factorization.

8105289660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5068 (or 5063 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 8105289660 is about 90029.3822038117. The cubic root of 8105289660 is about 2008.7359245863.

The spelling of 8105289660 in words is "eight billion, one hundred five million, two hundred eighty-nine thousand, six hundred sixty".