2154112068 has 24 divisors (see below), whose sum is σ = 5029210368. Its totient is φ = 717616096.

The previous prime is 2154112049. The next prime is 2154112091. The reversal of 2154112068 is 8602114512.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30996 + ... + 72587.

It is an arithmetic number, because the mean of its divisors is an integer number (209550432).

Almost surely, 2^2154112068 is an apocalyptic number.

It is an amenable number.

2154112068 is an abundant number, since it is smaller than the sum of its proper divisors (2875098300).

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

2154112068 is a wasteful number, since it uses less digits than its factorization.

2154112068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105323 (or 105321 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 2154112068 is about 46412.4128655255. The cubic root of 2154112068 is about 1291.4851928543.

The spelling of 2154112068 in words is "two billion, one hundred fifty-four million, one hundred twelve thousand, sixty-eight".