2186443913368 has 48 divisors (see below), whose sum is σ = 4852779629040. Its totient is φ = 917389049280.

The previous prime is 2186443913363. The next prime is 2186443913377. The reversal of 2186443913368 is 8633193446812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2186443913363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86861380 + ... + 86886547.

It is an arithmetic number, because the mean of its divisors is an integer number (101099575605).

Almost surely, 2^{2186443913368} is an apocalyptic number.

It is an amenable number.

2186443913368 is an abundant number, since it is smaller than the sum of its proper divisors (2666335715672).

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

2186443913368 is a wasteful number, since it uses less digits than its factorization.

2186443913368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173747968 (or 173747953 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 58.

The spelling of 2186443913368 in words is "two trillion, one hundred eighty-six billion, four hundred forty-three million, nine hundred thirteen thousand, three hundred sixty-eight".