6551622112 has 96 divisors (see below), whose sum is σ = 15770075328. Its totient is φ = 2615279616.

The previous prime is 6551622109. The next prime is 6551622127. The reversal of 6551622112 is 2112261556.

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 15 ways as a sum of consecutive naturals, for example, 360508 + ... + 378244.

It is an arithmetic number, because the mean of its divisors is an integer number (164271618).

Almost surely, 2^6551622112 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 6551622112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7885037664).

6551622112 is an abundant number, since it is smaller than the sum of its proper divisors (9218453216).

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

6551622112 is a wasteful number, since it uses less digits than its factorization.

6551622112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17868 (or 17860 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 6551622112 is about 80942.0911022195. The cubic root of 6551622112 is about 1871.1830724593.

Adding to 6551622112 its reverse (2112261556), we get a palindrome (8663883668).

The spelling of 6551622112 in words is "six billion, five hundred fifty-one million, six hundred twenty-two thousand, one hundred twelve".