18600000229 has 8 divisors (see below), whose sum is σ = 18704034720. Its totient is φ = 18496160016.

The previous prime is 18600000187. The next prime is 18600000241. The reversal of 18600000229 is 92200000681.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 18600000229 - 2¹¹ = 18599998181 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18600000197 and 18600000206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18600007229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145602 + ... + 241660.

It is an arithmetic number, because the mean of its divisors is an integer number (2338004340).

Almost surely, 2^18600000229 is an apocalyptic number.

It is an amenable number.

18600000229 is a deficient number, since it is larger than the sum of its proper divisors (104034491).

18600000229 is an equidigital number, since it uses as much as digits as its factorization.

18600000229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97139.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 18600000229 in words is "eighteen billion, six hundred million, two hundred twenty-nine", and thus it is an aban number.