5641611330 has 64 divisors (see below), whose sum is σ = 14362178688. Its totient is φ = 1413381120.

The previous prime is 5641611319. The next prime is 5641611383. The reversal of 5641611330 is 331161465.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281524 + ... + 300896.

It is an arithmetic number, because the mean of its divisors is an integer number (224409042).

Almost surely, 2^5641611330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5641611330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7181089344).

5641611330 is an abundant number, since it is smaller than the sum of its proper divisors (8720567358).

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

5641611330 is a wasteful number, since it uses less digits than its factorization.

5641611330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19971.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 5641611330 is about 75110.6605616007. The cubic root of 5641611330 is about 1780.1955903829.

Adding to 5641611330 its reverse (331161465), we get a palindrome (5972772795).

The spelling of 5641611330 in words is "five billion, six hundred forty-one million, six hundred eleven thousand, three hundred thirty".