6556101800 has 96 divisors (see below), whose sum is σ = 15495883200. Its totient is φ = 2579297280.

The previous prime is 6556101751. The next prime is 6556101803. The reversal of 6556101800 is 81016556.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6556101803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3140357 + ... + 3142443.

It is an arithmetic number, because the mean of its divisors is an integer number (161415450).

Almost surely, 2^6556101800 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 6556101800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7747941600).

6556101800 is an abundant number, since it is smaller than the sum of its proper divisors (8939781400).

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

6556101800 is a wasteful number, since it uses less digits than its factorization.

6556101800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355 (or 2346 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 6556101800 is about 80969.7585521903. The cubic root of 6556101800 is about 1871.6094506631.

The spelling of 6556101800 in words is "six billion, five hundred fifty-six million, one hundred one thousand, eight hundred".