2686118097870 has 48 divisors (see below), whose sum is σ = 7351481114640. Its totient is φ = 678598255872.

The previous prime is 2686118097713. The next prime is 2686118097881. The reversal of 2686118097870 is 787908116862.

2686118097870 is a `hidden beast` number, since 2 + 6 + 8 + 611 + 8 + 0 + 9 + 7 + 8 + 7 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2686118097798 and 2686118097807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 785412939 + ... + 785416358.

It is an arithmetic number, because the mean of its divisors is an integer number (153155856555).

Almost surely, 2^{2686118097870} is an apocalyptic number.

2686118097870 is an abundant number, since it is smaller than the sum of its proper divisors (4665363016770).

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

2686118097870 is a wasteful number, since it uses less digits than its factorization.

2686118097870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570829329 (or 1570829326 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 63.

The spelling of 2686118097870 in words is "two trillion, six hundred eighty-six billion, one hundred eighteen million, ninety-seven thousand, eight hundred seventy".