4821320816 has 80 divisors (see below), whose sum is σ = 10449331200. Its totient is φ = 2140452864.

The previous prime is 4821320797. The next prime is 4821320837. The reversal of 4821320816 is 6180231284.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 681425 + ... + 688463.

It is an arithmetic number, because the mean of its divisors is an integer number (130616640).

Almost surely, 2^4821320816 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 4821320816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5224665600).

4821320816 is an abundant number, since it is smaller than the sum of its proper divisors (5628010384).

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

4821320816 is a wasteful number, since it uses less digits than its factorization.

4821320816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7186 (or 7180 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 4821320816 is about 69435.7315508377. The cubic root of 4821320816 is about 1689.3592351604.

The spelling of 4821320816 in words is "four billion, eight hundred twenty-one million, three hundred twenty thousand, eight hundred sixteen".