2158112968 has 32 divisors (see below), whose sum is σ = 4416120000. Its totient is φ = 980560960.

The previous prime is 2158112903. The next prime is 2158112969. The reversal of 2158112968 is 8692118512.

It is not an unprimeable number, because it can be changed into a prime (2158112969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379893 + ... + 385531.

It is an arithmetic number, because the mean of its divisors is an integer number (138003750).

Almost surely, 2^2158112968 is an apocalyptic number.

It is an amenable number.

2158112968 is an abundant number, since it is smaller than the sum of its proper divisors (2258007032).

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

2158112968 is a wasteful number, since it uses less digits than its factorization.

2158112968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10005 (or 10001 counting only the distinct ones).

The product of its digits is 69120, while the sum is 43.

The square root of 2158112968 is about 46455.4944866589. The cubic root of 2158112968 is about 1292.2842703449.

The spelling of 2158112968 in words is "two billion, one hundred fifty-eight million, one hundred twelve thousand, nine hundred sixty-eight".