5619561664 has 56 divisors (see below), whose sum is σ = 11651394528. Its totient is φ = 2684098560.

The previous prime is 5619561637. The next prime is 5619561691. The reversal of 5619561664 is 4661659165.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5619561637) and next prime (5619561691).

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 7 ways as a sum of consecutive naturals, for example, 1383124 + ... + 1387180.

Almost surely, 2^5619561664 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 5619561664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5825697264).

5619561664 is an abundant number, since it is smaller than the sum of its proper divisors (6031832864).

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

5619561664 is a wasteful number, since it uses less digits than its factorization.

5619561664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5033 (or 5023 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 49.

The square root of 5619561664 is about 74963.7356593173. The cubic root of 5619561664 is about 1777.8733243000.

The spelling of 5619561664 in words is "five billion, six hundred nineteen million, five hundred sixty-one thousand, six hundred sixty-four".