2168345300 has 72 divisors (see below), whose sum is σ = 5143733280. Its totient is φ = 786851200.

The previous prime is 2168345293. The next prime is 2168345323. The reversal of 2168345300 is 35438612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 610931 + ... + 614469.

It is an arithmetic number, because the mean of its divisors is an integer number (71440740).

Almost surely, 2^2168345300 is an apocalyptic number.

2168345300 is a gapful number since it is divisible by the number (20) 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 2168345300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2571866640).

2168345300 is an abundant number, since it is smaller than the sum of its proper divisors (2975387980).

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

2168345300 is a wasteful number, since it uses less digits than its factorization.

2168345300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4121 (or 4114 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2168345300 is about 46565.4947359093. The cubic root of 2168345300 is about 1294.3234342531.

The spelling of 2168345300 in words is "two billion, one hundred sixty-eight million, three hundred forty-five thousand, three hundred".