2688688671146 has 16 divisors (see below), whose sum is σ = 4038771033024. Its totient is φ = 1342431836064.

The previous prime is 2688688671073. The next prime is 2688688671167. The reversal of 2688688671146 is 6411768868862.

It is a self number, because there is not a number n which added to its sum of digits gives 2688688671146.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52773641 + ... + 52824563.

It is an arithmetic number, because the mean of its divisors is an integer number (252423189564).

Almost surely, 2^{2688688671146} is an apocalyptic number.

2688688671146 is a deficient number, since it is larger than the sum of its proper divisors (1350082361878).

2688688671146 is a wasteful number, since it uses less digits than its factorization.

2688688671146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87965.

The product of its digits is 297271296, while the sum is 71.

The spelling of 2688688671146 in words is "two trillion, six hundred eighty-eight billion, six hundred eighty-eight million, six hundred seventy-one thousand, one hundred forty-six".