6411116220 has 48 divisors (see below), whose sum is σ = 18115833120. Its totient is φ = 1693944576.

The previous prime is 6411116197. The next prime is 6411116227. The reversal of 6411116220 is 226111146.

It is a happy number.

It is a super-2 number, since 2×6411116220² = 82204822372694176800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6411116227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483607 + ... + 496686.

It is an arithmetic number, because the mean of its divisors is an integer number (377413190).

Almost surely, 2^6411116220 is an apocalyptic number.

6411116220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6411116220 is an abundant number, since it is smaller than the sum of its proper divisors (11704716900).

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

6411116220 is a wasteful number, since it uses less digits than its factorization.

6411116220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980414 (or 980412 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 6411116220 is about 80069.4462326298. The cubic root of 6411116220 is about 1857.7098475776.

Adding to 6411116220 its reverse (226111146), we get a palindrome (6637227366).

The spelling of 6411116220 in words is "six billion, four hundred eleven million, one hundred sixteen thousand, two hundred twenty".