5816828021820 has 48 divisors (see below), whose sum is σ = 16287524500128. Its totient is φ = 1551115468800.

The previous prime is 5816828021789. The next prime is 5816828021821. The reversal of 5816828021820 is 281208286185.

It is a happy number.

It is a super-2 number, since 2×5816828021820² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5816828021821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1260012 + ... + 3636108.

It is an arithmetic number, because the mean of its divisors is an integer number (339323427086).

Almost surely, 2^{5816828021820} is an apocalyptic number.

It is an amenable number.

5816828021820 is an abundant number, since it is smaller than the sum of its proper divisors (10470696478308).

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

5816828021820 is a wasteful number, since it uses less digits than its factorization.

5816828021820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416910 (or 2416908 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 51.

The spelling of 5816828021820 in words is "five trillion, eight hundred sixteen billion, eight hundred twenty-eight million, twenty-one thousand, eight hundred twenty".