6211641344 has 56 divisors (see below), whose sum is σ = 12456322560. Its totient is φ = 3097378816.

The previous prime is 6211641343. The next prime is 6211641377. The reversal of 6211641344 is 4431461126.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 6211641344.

It is not an unprimeable number, because it can be changed into a prime (6211641343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3923177 + ... + 3924759.

Almost surely, 2^6211641344 is an apocalyptic number.

6211641344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6211641344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6228161280).

6211641344 is an abundant number, since it is smaller than the sum of its proper divisors (6244681216).

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

6211641344 is an equidigital number, since it uses as much as digits as its factorization.

6211641344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088 (or 2064 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 6211641344 is about 78813.9666810395. The cubic root of 6211641344 is about 1838.2396269942.

The spelling of 6211641344 in words is "six billion, two hundred eleven million, six hundred forty-one thousand, three hundred forty-four".