5591663220 has 384 divisors, whose sum is σ = 19069489152. Its totient is φ = 1206374400.

The previous prime is 5591663219. The next prime is 5591663243. The reversal of 5591663220 is 223661955.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 40814992 + ... + 40815128.

It is an arithmetic number, because the mean of its divisors is an integer number (49660128).

Almost surely, 2^5591663220 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 5591663220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9534744576).

5591663220 is an abundant number, since it is smaller than the sum of its proper divisors (13477825932).

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

5591663220 is a wasteful number, since it uses less digits than its factorization.

5591663220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 5591663220 is about 74777.4245344141. The cubic root of 5591663220 is about 1774.9263443615.

The spelling of 5591663220 in words is "five billion, five hundred ninety-one million, six hundred sixty-three thousand, two hundred twenty".