1818851114 has 16 divisors (see below), whose sum is σ = 3040804800. Its totient is φ = 810880704.

The previous prime is 1818851113. The next prime is 1818851129. The reversal of 1818851114 is 4111588181.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (1818851113) 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 7 ways as a sum of consecutive naturals, for example, 1407134 + ... + 1408425.

It is an arithmetic number, because the mean of its divisors is an integer number (190050300).

Almost surely, 2^1818851114 is an apocalyptic number.

1818851114 is a deficient number, since it is larger than the sum of its proper divisors (1221953686).

1818851114 is a wasteful number, since it uses less digits than its factorization.

1818851114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815597.

The product of its digits is 10240, while the sum is 38.

The square root of 1818851114 is about 42647.9907381344. The cubic root of 1818851114 is about 1220.6721893683.

The spelling of 1818851114 in words is "one billion, eight hundred eighteen million, eight hundred fifty-one thousand, one hundred fourteen".