4891106220 has 768 divisors, whose sum is σ = 19768541184. Its totient is φ = 870912000.

The previous prime is 4891106203. The next prime is 4891106237. The reversal of 4891106220 is 226011984.

It is an interprime number because it is at equal distance from previous prime (4891106203) and next prime (4891106237).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 68888785 + ... + 68888855.

It is an arithmetic number, because the mean of its divisors is an integer number (25740288).

Almost surely, 2^4891106220 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 4891106220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9884270592).

4891106220 is an abundant number, since it is smaller than the sum of its proper divisors (14877434964).

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

4891106220 is a wasteful number, since it uses less digits than its factorization.

4891106220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 4891106220 is about 69936.4441475258. Note that the first 3 decimals coincide. The cubic root of 4891106220 is about 1697.4710054818.

It can be divided in two parts, 4891 and 106220, that added together give a palindrome (111111).

The spelling of 4891106220 in words is "four billion, eight hundred ninety-one million, one hundred six thousand, two hundred twenty".