2686202868616 has 32 divisors (see below), whose sum is σ = 5334938144280. Its totient is φ = 1263613004800.

The previous prime is 2686202868611. The next prime is 2686202868619. The reversal of 2686202868616 is 6168682026862.

2686202868616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2655420166116 + 30782702500 = 1629546^2 + 175450^2 .

It is not an unprimeable number, because it can be changed into a prime (2686202868611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3411475 + ... + 4124386.

Almost surely, 2^{2686202868616} is an apocalyptic number.

It is an amenable number.

2686202868616 is a deficient number, since it is larger than the sum of its proper divisors (2648735275664).

2686202868616 is a wasteful number, since it uses less digits than its factorization.

2686202868616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7538505 (or 7538501 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 61.

The spelling of 2686202868616 in words is "two trillion, six hundred eighty-six billion, two hundred two million, eight hundred sixty-eight thousand, six hundred sixteen".