2168187848344 has 16 divisors (see below), whose sum is σ = 4646116818000. Its totient is φ = 929223363552.

The previous prime is 2168187848261. The next prime is 2168187848473. The reversal of 2168187848344 is 4438487818612.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19358820019 + ... + 19358820130.

It is an arithmetic number, because the mean of its divisors is an integer number (290382301125).

Almost surely, 2^{2168187848344} is an apocalyptic number.

It is an amenable number.

2168187848344 is an abundant number, since it is smaller than the sum of its proper divisors (2477928969656).

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

2168187848344 is a wasteful number, since it uses less digits than its factorization.

2168187848344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38717640162 (or 38717640158 counting only the distinct ones).

The product of its digits is 66060288, while the sum is 64.

The spelling of 2168187848344 in words is "two trillion, one hundred sixty-eight billion, one hundred eighty-seven million, eight hundred forty-eight thousand, three hundred forty-four".