5591643120 has 480 divisors, whose sum is σ = 22572126720. Its totient is φ = 1213470720.

The previous prime is 5591643107. The next prime is 5591643193. The reversal of 5591643120 is 213461955.

5591643120 is a `hidden beast` number, since 5 + 5 + 9 + 1 + 643 + 1 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 95 ways as a sum of consecutive naturals, for example, 9792435 + ... + 9793005.

It is an arithmetic number, because the mean of its divisors is an integer number (47025264).

Almost surely, 2^5591643120 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 5591643120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11286063360).

5591643120 is an abundant number, since it is smaller than the sum of its proper divisors (16980483600).

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

5591643120 is a wasteful number, since it uses less digits than its factorization.

5591643120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 5591643120 is about 74777.2901354415. The cubic root of 5591643120 is about 1774.9242176202.

The spelling of 5591643120 in words is "five billion, five hundred ninety-one million, six hundred forty-three thousand, one hundred twenty".