2168318152 has 128 divisors (see below), whose sum is σ = 5746406400. Its totient is φ = 738720000.

The previous prime is 2168318149. The next prime is 2168318153. The reversal of 2168318152 is 2518138612.

It is not an unprimeable number, because it can be changed into a prime (2168318153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145027 + ... + 159277.

It is an arithmetic number, because the mean of its divisors is an integer number (44893800).

Almost surely, 2^2168318152 is an apocalyptic number.

2168318152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2168318152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2873203200).

2168318152 is an abundant number, since it is smaller than the sum of its proper divisors (3578088248).

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

2168318152 is a wasteful number, since it uses less digits than its factorization.

2168318152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14307 (or 14303 counting only the distinct ones).

The product of its digits is 23040, while the sum is 37.

The square root of 2168318152 is about 46565.2032315977. The cubic root of 2168318152 is about 1294.3180325244.

The spelling of 2168318152 in words is "two billion, one hundred sixty-eight million, three hundred eighteen thousand, one hundred fifty-two".