2668600686 has 16 divisors (see below), whose sum is σ = 5450759424. Its totient is φ = 870607224.

The previous prime is 2668600667. The next prime is 2668600717. The reversal of 2668600686 is 6860068662.

It is a super-3 number, since 3×2668600686³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4731280 + ... + 4731843.

It is an arithmetic number, because the mean of its divisors is an integer number (340672464).

Almost surely, 2^2668600686 is an apocalyptic number.

2668600686 is an abundant number, since it is smaller than the sum of its proper divisors (2782158738).

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

2668600686 is a wasteful number, since it uses less digits than its factorization.

2668600686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9463175.

The product of its (nonzero) digits is 995328, while the sum is 48.

The square root of 2668600686 is about 51658.5006170330. The cubic root of 2668600686 is about 1387.0577112154.

The spelling of 2668600686 in words is "two billion, six hundred sixty-eight million, six hundred thousand, six hundred eighty-six".