2646317133187 has 16 divisors (see below), whose sum is σ = 3282651430912. Its totient is φ = 2077302840480.

The previous prime is 2646317133181. The next prime is 2646317133217. The reversal of 2646317133187 is 7813317136462.

It is not a de Polignac number, because 2646317133187 - 2³⁵ = 2611957394819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2646317133181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114478239 + ... + 114501352.

It is an arithmetic number, because the mean of its divisors is an integer number (205165714432).

Almost surely, 2^{2646317133187} is an apocalyptic number.

2646317133187 is a deficient number, since it is larger than the sum of its proper divisors (636334297725).

2646317133187 is a wasteful number, since it uses less digits than its factorization.

2646317133187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228979738.

The product of its digits is 3048192, while the sum is 52.

The spelling of 2646317133187 in words is "two trillion, six hundred forty-six billion, three hundred seventeen million, one hundred thirty-three thousand, one hundred eighty-seven".