5579987616 has 168 divisors, whose sum is σ = 18824397984. Its totient is φ = 1594235520.

The previous prime is 5579987603. The next prime is 5579987681. The reversal of 5579987616 is 6167899755.

5579987616 is a `hidden beast` number, since 5 + 5 + 7 + 9 + 9 + 8 + 7 + 616 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a super-2 number, since 2×5579987616² = 62272523589426726912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 146211 + ... + 180381.

It is an arithmetic number, because the mean of its divisors is an integer number (112049988).

Almost surely, 2^5579987616 is an apocalyptic number.

5579987616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5579987616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9412198992).

5579987616 is an abundant number, since it is smaller than the sum of its proper divisors (13244410368).

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

5579987616 is an equidigital number, since it uses as much as digits as its factorization.

5579987616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34206 (or 34183 counting only the distinct ones).

The product of its digits is 28576800, while the sum is 63.

The square root of 5579987616 is about 74699.3146956517. The cubic root of 5579987616 is about 1773.6901124469.

The spelling of 5579987616 in words is "five billion, five hundred seventy-nine million, nine hundred eighty-seven thousand, six hundred sixteen".