2168596140 has 24 divisors (see below), whose sum is σ = 6072069360. Its totient is φ = 578292288.

The previous prime is 2168596123. The next prime is 2168596151. The reversal of 2168596140 is 416958612.

It is a junction number, because it is equal to n+sod(n) for n = 2168596092 and 2168596101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18071575 + ... + 18071694.

It is an arithmetic number, because the mean of its divisors is an integer number (253002890).

Almost surely, 2^2168596140 is an apocalyptic number.

2168596140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2168596140 is an abundant number, since it is smaller than the sum of its proper divisors (3903473220).

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

2168596140 is a wasteful number, since it uses less digits than its factorization.

2168596140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36143281 (or 36143279 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 2168596140 is about 46568.1880686805. The cubic root of 2168596140 is about 1294.3733425975.

The spelling of 2168596140 in words is "two billion, one hundred sixty-eight million, five hundred ninety-six thousand, one hundred forty".