2586816678664 has 16 divisors (see below), whose sum is σ = 4908718397520. Its totient is φ = 1277825106000.

The previous prime is 2586816678569. The next prime is 2586816678713. The reversal of 2586816678664 is 4668766186852.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1947903462 + ... + 1947904789.

It is an arithmetic number, because the mean of its divisors is an integer number (306794899845).

Almost surely, 2^{2586816678664} is an apocalyptic number.

It is an amenable number.

2586816678664 is a deficient number, since it is larger than the sum of its proper divisors (2321901718856).

2586816678664 is a wasteful number, since it uses less digits than its factorization.

2586816678664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3895808340 (or 3895808336 counting only the distinct ones).

The product of its digits is 1114767360, while the sum is 73.

The spelling of 2586816678664 in words is "two trillion, five hundred eighty-six billion, eight hundred sixteen million, six hundred seventy-eight thousand, six hundred sixty-four".