666000230561100 has 216 divisors, whose sum is σ = 2091891465846000. Its totient is φ = 177230120570880.

The previous prime is 666000230561089. The next prime is 666000230561119. The reversal of 666000230561100 is 1165032000666.

666000230561100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1581666391 + ... + 1582087409.

It is an arithmetic number, because the mean of its divisors is an integer number (9684682712250).

Almost surely, 2^{666000230561100} is an apocalyptic number.

666000230561100 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 666000230561100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1045945732923000).

666000230561100 is an abundant number, since it is smaller than the sum of its proper divisors (1425891235284900).

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

666000230561100 is a wasteful number, since it uses less digits than its factorization.

666000230561100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424697 (or 424687 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

Adding to 666000230561100 its reverse (1165032000666), we get a palindrome (667165262561766).

The spelling of 666000230561100 in words is "six hundred sixty-six trillion, two hundred thirty million, five hundred sixty-one thousand, one hundred".