4581798816 has 96 divisors (see below), whose sum is σ = 13970855808. Its totient is φ = 1287613440.

The previous prime is 4581798779. The next prime is 4581798857. The reversal of 4581798816 is 6188971854.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14895 + ... + 96878.

It is an arithmetic number, because the mean of its divisors is an integer number (145529748).

Almost surely, 2^4581798816 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 4581798816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6985427904).

4581798816 is an abundant number, since it is smaller than the sum of its proper divisors (9389056992).

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

4581798816 is a wasteful number, since it uses less digits than its factorization.

4581798816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111854 (or 111846 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 57.

The square root of 4581798816 is about 67688.9859282882. The cubic root of 4581798816 is about 1660.9070883127.

The spelling of 4581798816 in words is "four billion, five hundred eighty-one million, seven hundred ninety-eight thousand, eight hundred sixteen".