5664991920 has 480 divisors, whose sum is σ = 21297297600. Its totient is φ = 1241210880.

The previous prime is 5664991909. The next prime is 5664991951. The reversal of 5664991920 is 291994665.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 38020006 + ... + 38020154.

It is an arithmetic number, because the mean of its divisors is an integer number (44369370).

Almost surely, 2^5664991920 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 5664991920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10648648800).

5664991920 is an abundant number, since it is smaller than the sum of its proper divisors (15632305680).

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

5664991920 is a wasteful number, since it uses less digits than its factorization.

5664991920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 51.

The square root of 5664991920 is about 75266.1405945595. The cubic root of 5664991920 is about 1782.6514287719.

The spelling of 5664991920 in words is "five billion, six hundred sixty-four million, nine hundred ninety-one thousand, nine hundred twenty".