1818453118 has 8 divisors (see below), whose sum is σ = 2815669440. Its totient is φ = 879896640.

The previous prime is 1818453113. The next prime is 1818453137. The reversal of 1818453118 is 8113548181.

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 (1818453113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14664883 + ... + 14665006.

It is an arithmetic number, because the mean of its divisors is an integer number (351958680).

Almost surely, 2^1818453118 is an apocalyptic number.

1818453118 is a deficient number, since it is larger than the sum of its proper divisors (997216322).

1818453118 is a wasteful number, since it uses less digits than its factorization.

1818453118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29329922.

The product of its digits is 30720, while the sum is 40.

The square root of 1818453118 is about 42643.3244248147. The cubic root of 1818453118 is about 1220.5831481626.

The spelling of 1818453118 in words is "one billion, eight hundred eighteen million, four hundred fifty-three thousand, one hundred eighteen".