5668393920 has 224 divisors, whose sum is σ = 20637447168. Its totient is φ = 1291272192.

The previous prime is 5668393919. The next prime is 5668393957. The reversal of 5668393920 is 293938665.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2263389 + ... + 2265891.

Almost surely, 2^5668393920 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 5668393920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10318723584).

5668393920 is an abundant number, since it is smaller than the sum of its proper divisors (14969053248).

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

5668393920 is a wasteful number, since it uses less digits than its factorization.

5668393920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867 (or 2857 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 51.

The square root of 5668393920 is about 75288.7370062747. The cubic root of 5668393920 is about 1783.0082028363.

The spelling of 5668393920 in words is "five billion, six hundred sixty-eight million, three hundred ninety-three thousand, nine hundred twenty".