2140812168 has 64 divisors (see below), whose sum is σ = 5937580800. Its totient is φ = 637730880.

The previous prime is 2140812151. The next prime is 2140812173. The reversal of 2140812168 is 8612180412.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 15 ways as a sum of consecutive naturals, for example, 53146 + ... + 84297.

It is an arithmetic number, because the mean of its divisors is an integer number (92774700).

Almost surely, 2^2140812168 is an apocalyptic number.

It is an amenable number.

2140812168 is an abundant number, since it is smaller than the sum of its proper divisors (3796768632).

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

2140812168 is a wasteful number, since it uses less digits than its factorization.

2140812168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137522 (or 137518 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 2140812168 is about 46268.9114633141. The cubic root of 2140812168 is about 1288.8217448816.

The spelling of 2140812168 in words is "two billion, one hundred forty million, eight hundred twelve thousand, one hundred sixty-eight".