6221613126 has 8 divisors (see below), whose sum is σ = 12443226264. Its totient is φ = 2073871040.

The previous prime is 6221613089. The next prime is 6221613143. The reversal of 6221613126 is 6213161226.

It is a sphenic number, since it is the product of 3 distinct primes.

6221613126 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 6221613093 and 6221613102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518467755 + ... + 518467766.

It is an arithmetic number, because the mean of its divisors is an integer number (1555403283).

Almost surely, 2^6221613126 is an apocalyptic number.

6221613126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6221613126 is a wasteful number, since it uses less digits than its factorization.

6221613126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036935526.

The product of its digits is 5184, while the sum is 30.

The square root of 6221613126 is about 78877.2028281936. The cubic root of 6221613126 is about 1839.2227662137. Note that the first 3 decimals are identical.

The spelling of 6221613126 in words is "six billion, two hundred twenty-one million, six hundred thirteen thousand, one hundred twenty-six".