2168516637286 has 16 divisors (see below), whose sum is σ = 3436334570160. Its totient is φ = 1023483811680.

The previous prime is 2168516637269. The next prime is 2168516637289. The reversal of 2168516637286 is 6827366158612.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2168516637289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102997105 + ... + 103018156.

It is an arithmetic number, because the mean of its divisors is an integer number (214770910635).

Almost surely, 2^{2168516637286} is an apocalyptic number.

2168516637286 is a deficient number, since it is larger than the sum of its proper divisors (1267817932874).

2168516637286 is a wasteful number, since it uses less digits than its factorization.

2168516637286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206015559.

The product of its digits is 34836480, while the sum is 61.

The spelling of 2168516637286 in words is "two trillion, one hundred sixty-eight billion, five hundred sixteen million, six hundred thirty-seven thousand, two hundred eighty-six".