2131814168 has 16 divisors (see below), whose sum is σ = 4360529160. Its totient is φ = 969006400.

The previous prime is 2131814141. The next prime is 2131814189. The reversal of 2131814168 is 8614181312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12112493 + ... + 12112668.

Almost surely, 2^2131814168 is an apocalyptic number.

It is an amenable number.

2131814168 is an abundant number, since it is smaller than the sum of its proper divisors (2228714992).

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

2131814168 is a wasteful number, since it uses less digits than its factorization.

2131814168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24225178 (or 24225174 counting only the distinct ones).

The product of its digits is 9216, while the sum is 35.

The square root of 2131814168 is about 46171.5731592503. The cubic root of 2131814168 is about 1287.0135364951.

The spelling of 2131814168 in words is "two billion, one hundred thirty-one million, eight hundred fourteen thousand, one hundred sixty-eight".