6553522221232 has 160 divisors (see below), whose sum is σ = 14982069340160. Its totient is φ = 2719073111040.

The previous prime is 6553522221223. The next prime is 6553522221247. The reversal of 6553522221232 is 2321222253556.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 607420894 + ... + 607431682.

It is an arithmetic number, because the mean of its divisors is an integer number (93637933376).

Almost surely, 2^{6553522221232} 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 6553522221232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7491034670080).

6553522221232 is an abundant number, since it is smaller than the sum of its proper divisors (8428547118928).

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

6553522221232 is a wasteful number, since it uses less digits than its factorization.

6553522221232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12259 (or 12253 counting only the distinct ones).

The product of its digits is 432000, while the sum is 40.

Adding to 6553522221232 its reverse (2321222253556), we get a palindrome (8874744474788).

The spelling of 6553522221232 in words is "six trillion, five hundred fifty-three billion, five hundred twenty-two million, two hundred twenty-one thousand, two hundred thirty-two".