181130204066 has 8 divisors (see below), whose sum is σ = 310508921280. Its totient is φ = 77627230308.

The previous prime is 181130204053. The next prime is 181130204069. The reversal of 181130204066 is 660402031181.

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

It is not an unprimeable number, because it can be changed into a prime (181130204069) 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 3 ways as a sum of consecutive naturals, for example, 6468935846 + ... + 6468935873.

It is an arithmetic number, because the mean of its divisors is an integer number (38813615160).

Almost surely, 2^181130204066 is an apocalyptic number.

181130204066 is a deficient number, since it is larger than the sum of its proper divisors (129378717214).

181130204066 is a wasteful number, since it uses less digits than its factorization.

181130204066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12937871728.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 181130204066 in words is "one hundred eighty-one billion, one hundred thirty million, two hundred four thousand, sixty-six".