1818804118 has 8 divisors (see below), whose sum is σ = 2728576080. Its totient is φ = 909278760.

The previous prime is 1818804059. The next prime is 1818804139. The reversal of 1818804118 is 8114088181.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41953 + ... + 73468.

It is an arithmetic number, because the mean of its divisors is an integer number (341072010).

Almost surely, 2^1818804118 is an apocalyptic number.

1818804118 is a deficient number, since it is larger than the sum of its proper divisors (909771962).

1818804118 is a wasteful number, since it uses less digits than its factorization.

1818804118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123302.

The product of its (nonzero) digits is 16384, while the sum is 40.

The square root of 1818804118 is about 42647.4397590289. The cubic root of 1818804118 is about 1220.6616759176.

The spelling of 1818804118 in words is "one billion, eight hundred eighteen million, eight hundred four thousand, one hundred eighteen".