5631643216320 has 336 divisors, whose sum is σ = 19659705156000. Its totient is φ = 1364832296960.

The previous prime is 5631643216301. The next prime is 5631643216337. The reversal of 5631643216320 is 236123461365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 577658806 + ... + 577668554.

It is an arithmetic number, because the mean of its divisors is an integer number (58511027250).

Almost surely, 2^{5631643216320} 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 5631643216320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9829852578000).

5631643216320 is an abundant number, since it is smaller than the sum of its proper divisors (14028061939680).

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

5631643216320 is a wasteful number, since it uses less digits than its factorization.

5631643216320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14764 (or 14743 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 42.

Adding to 5631643216320 its reverse (236123461365), we get a palindrome (5867766677685).

The spelling of 5631643216320 in words is "five trillion, six hundred thirty-one billion, six hundred forty-three million, two hundred sixteen thousand, three hundred twenty".