2112153168 has 80 divisors (see below), whose sum is σ = 5830608960. Its totient is φ = 656529408.

The previous prime is 2112153167. The next prime is 2112153187. The reversal of 2112153168 is 8613512112.

It is a super-2 number, since 2×2112153168² = 8922382010184872448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112153167) by changing a digit.

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, 77071 + ... + 100817.

It is an arithmetic number, because the mean of its divisors is an integer number (72882612).

Almost surely, 2^2112153168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112153168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2915304480).

2112153168 is an abundant number, since it is smaller than the sum of its proper divisors (3718455792).

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

2112153168 is a wasteful number, since it uses less digits than its factorization.

2112153168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23884 (or 23878 counting only the distinct ones).

The product of its digits is 2880, while the sum is 30.

The square root of 2112153168 is about 45958.1675874920. The cubic root of 2112153168 is about 1283.0447471336.

The spelling of 2112153168 in words is "two billion, one hundred twelve million, one hundred fifty-three thousand, one hundred sixty-eight".