8116665708 has 96 divisors (see below), whose sum is σ = 21507171840. Its totient is φ = 2366807040.

The previous prime is 8116665677. The next prime is 8116665721. The reversal of 8116665708 is 8075666118.

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, 185673 + ... + 225183.

It is an arithmetic number, because the mean of its divisors is an integer number (224033040).

Almost surely, 2^8116665708 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 8116665708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10753585920).

8116665708 is an abundant number, since it is smaller than the sum of its proper divisors (13390506132).

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

8116665708 is a wasteful number, since it uses less digits than its factorization.

8116665708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39607 (or 39605 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 8116665708 is about 90092.5396911420. The cubic root of 8116665708 is about 2009.6752615150.

The spelling of 8116665708 in words is "eight billion, one hundred sixteen million, six hundred sixty-five thousand, seven hundred eight".