6556251332 has 12 divisors (see below), whose sum is σ = 11488970640.
Its totient is φ = 3273688296.
The previous prime is 6556251307. The next prime is 6556251337. The reversal of 6556251332 is 2331526556.
It is not an unprimeable number, because it can be changed into a prime (6556251337) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106018 + ... + 1111929.
It is an arithmetic number, because the mean of its divisors is an integer number (957414220).
Almost surely, 26556251332 is an apocalyptic number.
It is an amenable number.
6556251332 is a deficient number, since it is larger than the sum of its proper divisors (4932719308).
6556251332 is a wasteful number, since it uses less digits than its factorization.
6556251332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2218690 (or 2218688 counting only the distinct ones).
The product of its digits is 162000, while the sum is 38.
The square root of 6556251332 is about 80970.6819287080.
The cubic root of 6556251332 is about 1871.6236798187.
Adding to 6556251332 its reverse (2331526556), we get a palindrome (8887777888).
The spelling of 6556251332 in words is "six billion, five hundred fifty-six million, two hundred fifty-one thousand, three hundred thirty-two".