8105660 has 48 divisors (see below), whose sum is σ = 18095616. Its totient is φ = 3043392.

The previous prime is 8105653. The next prime is 8105677. The reversal of 8105660 is 665018.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30689 + ... + 30951.

It is an arithmetic number, because the mean of its divisors is an integer number (376992).

Almost surely, 2^8105660 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 8105660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9047808).

8105660 is an abundant number, since it is smaller than the sum of its proper divisors (9989956).

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

8105660 is a wasteful number, since it uses less digits than its factorization.

8105660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 8105660 is about 2847.0440811480. The cubic root of 8105660 is about 200.8766517938.

The spelling of 8105660 in words is "eight million, one hundred five thousand, six hundred sixty".