5519665984 has 112 divisors (see below), whose sum is σ = 13229864320. Its totient is φ = 2232023040.

The previous prime is 5519665979. The next prime is 5519665997. The reversal of 5519665984 is 4895669155.

It is a tau number, because it is divible by the number of its divisors (112).

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, 2356654 + ... + 2358994.

Almost surely, 2^5519665984 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 5519665984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6614932160).

5519665984 is an abundant number, since it is smaller than the sum of its proper divisors (7710198336).

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

5519665984 is a wasteful number, since it uses less digits than its factorization.

5519665984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656 (or 2646 counting only the distinct ones).

The product of its digits is 11664000, while the sum is 58.

The square root of 5519665984 is about 74294.4545979039. The cubic root of 5519665984 is about 1767.2755370097.

The spelling of 5519665984 in words is "five billion, five hundred nineteen million, six hundred sixty-five thousand, nine hundred eighty-four".