18170814118 has 8 divisors (see below), whose sum is σ = 27264692880. Its totient is φ = 9082583160.

The previous prime is 18170814091. The next prime is 18170814119. The reversal of 18170814118 is 81141807181.

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 (18170814119) 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, 1403898 + ... + 1416781.

It is an arithmetic number, because the mean of its divisors is an integer number (3408086610).

Almost surely, 2^18170814118 is an apocalyptic number.

18170814118 is a deficient number, since it is larger than the sum of its proper divisors (9093878762).

18170814118 is a wasteful number, since it uses less digits than its factorization.

18170814118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2823902.

The product of its (nonzero) digits is 14336, while the sum is 40.

The spelling of 18170814118 in words is "eighteen billion, one hundred seventy million, eight hundred fourteen thousand, one hundred eighteen".