5821663824 has 120 divisors (see below), whose sum is σ = 16652475840. Its totient is φ = 1898159616.

The previous prime is 5821663823. The next prime is 5821663829. The reversal of 5821663824 is 4283661285.

5821663824 is a `hidden beast` number, since 5 + 8 + 2 + 1 + 6 + 638 + 2 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 5821663824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5821663823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1228692 + ... + 1233420.

It is an arithmetic number, because the mean of its divisors is an integer number (138770632).

Almost surely, 2^5821663824 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 5821663824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8326237920).

5821663824 is an abundant number, since it is smaller than the sum of its proper divisors (10830812016).

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

5821663824 is a wasteful number, since it uses less digits than its factorization.

5821663824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4929 (or 4920 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 5821663824 is about 76299.8284663865. The cubic root of 5821663824 is about 1798.9359785638.

The spelling of 5821663824 in words is "five billion, eight hundred twenty-one million, six hundred sixty-three thousand, eight hundred twenty-four".