1816118 has 8 divisors (see below), whose sum is σ = 2731512. Its totient is φ = 905616.

The previous prime is 1816117. The next prime is 1816121. The reversal of 1816118 is 8116181.

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 (1816117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80 + ... + 1907.

It is an arithmetic number, because the mean of its divisors is an integer number (341439).

2^1816118 is an apocalyptic number.

1816118 is a deficient number, since it is larger than the sum of its proper divisors (915394).

1816118 is a wasteful number, since it uses less digits than its factorization.

1816118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446.

The product of its digits is 384, while the sum is 26.

The square root of 1816118 is about 1347.6342233707. The cubic root of 1816118 is about 122.0060464619.

The spelling of 1816118 in words is "one million, eight hundred sixteen thousand, one hundred eighteen".