2606971716 has 90 divisors (see below), whose sum is σ = 6997156782. Its totient is φ = 845881920.

The previous prime is 2606971687. The next prime is 2606971727. The reversal of 2606971716 is 6171796062.

It is a happy number.

2606971716 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1589616900 + 1017354816 = 39870^2 + 31896^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 5884591 + ... + 5885033.

Almost surely, 2^2606971716 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 2606971716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3498578391).

2606971716 is an abundant number, since it is smaller than the sum of its proper divisors (4390185066).

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

2606971716 is an equidigital number, since it uses as much as digits as its factorization.

2606971716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 2606971716 is about 51058.5126692895. The cubic root of 2606971716 is about 1376.2968201224.

The spelling of 2606971716 in words is "two billion, six hundred six million, nine hundred seventy-one thousand, seven hundred sixteen".