2686158864 has 60 divisors (see below), whose sum is σ = 7525647792. Its totient is φ = 894417600.

The previous prime is 2686158847. The next prime is 2686158883. The reversal of 2686158864 is 4688516862.

It is a self number, because there is not a number n which added to its sum of digits gives 2686158864.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130219 + ... + 149429.

Almost surely, 2^2686158864 is an apocalyptic number.

2686158864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2686158864 is an abundant number, since it is smaller than the sum of its proper divisors (4839488928).

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

2686158864 is a wasteful number, since it uses less digits than its factorization.

2686158864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20196 (or 20187 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The square root of 2686158864 is about 51828.1667049877. The cubic root of 2686158864 is about 1390.0931331762.

The spelling of 2686158864 in words is "two billion, six hundred eighty-six million, one hundred fifty-eight thousand, eight hundred sixty-four".