6660500100 has 36 divisors (see below), whose sum is σ = 19271047824. Its totient is φ = 1776133280.

The previous prime is 6660500081. The next prime is 6660500101. The reversal of 6660500100 is 10050666.

It is not an unprimeable number, because it can be changed into a prime (6660500101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11100534 + ... + 11101133.

It is an arithmetic number, because the mean of its divisors is an integer number (535306884).

Almost surely, 2^6660500100 is an apocalyptic number.

6660500100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6660500100 is an abundant number, since it is smaller than the sum of its proper divisors (12610547724).

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

6660500100 is a wasteful number, since it uses less digits than its factorization.

6660500100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22201684 (or 22201677 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 6660500100 is about 81611.8870018333. The cubic root of 6660500100 is about 1881.4915826075.

Adding to 6660500100 its reverse (10050666), we get a palindrome (6670550766).

The spelling of 6660500100 in words is "six billion, six hundred sixty million, five hundred thousand, one hundred".