6556423200 has 144 divisors (see below), whose sum is σ = 21465876096. Its totient is φ = 1738163200.

The previous prime is 6556423183. The next prime is 6556423231. The reversal of 6556423200 is 23246556.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 407305 + ... + 423095.

It is an arithmetic number, because the mean of its divisors is an integer number (149068584).

Almost surely, 2^6556423200 is an apocalyptic number.

6556423200 is a gapful number since it is divisible by the number (60) 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 6556423200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10732938048).

6556423200 is an abundant number, since it is smaller than the sum of its proper divisors (14909452896).

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

6556423200 is a wasteful number, since it uses less digits than its factorization.

6556423200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15987 (or 15974 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 6556423200 is about 80971.7432194713. The cubic root of 6556423200 is about 1871.6400341545.

Adding to 6556423200 its reverse (23246556), we get a palindrome (6579669756).

The spelling of 6556423200 in words is "six billion, five hundred fifty-six million, four hundred twenty-three thousand, two hundred".