18201800182 has 8 divisors (see below), whose sum is σ = 27374740200. Its totient is φ = 9076886784.

The previous prime is 18201800179. The next prime is 18201800189. The reversal of 18201800182 is 28100810281.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18201800189) 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, 12005707 + ... + 12007222.

It is an arithmetic number, because the mean of its divisors is an integer number (3421842525).

Almost surely, 2^18201800182 is an apocalyptic number.

18201800182 is a deficient number, since it is larger than the sum of its proper divisors (9172940018).

18201800182 is a wasteful number, since it uses less digits than its factorization.

18201800182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24013310.

The product of its (nonzero) digits is 2048, while the sum is 31.

The spelling of 18201800182 in words is "eighteen billion, two hundred one million, eight hundred thousand, one hundred eighty-two".