66218126230 has 8 divisors (see below), whose sum is σ = 119192627232. Its totient is φ = 26487250488.

The previous prime is 66218126213. The next prime is 66218126237. The reversal of 66218126230 is 3262181266.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 66218126230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66218126237) 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, 3310906302 + ... + 3310906321.

It is an arithmetic number, because the mean of its divisors is an integer number (14899078404).

Almost surely, 2^66218126230 is an apocalyptic number.

66218126230 is a deficient number, since it is larger than the sum of its proper divisors (52974501002).

66218126230 is a wasteful number, since it uses less digits than its factorization.

66218126230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6621812630.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 66218126230 in words is "sixty-six billion, two hundred eighteen million, one hundred twenty-six thousand, two hundred thirty".