1918118027 has 8 divisors (see below), whose sum is σ = 2193900000. Its totient is φ = 1642777344.

The previous prime is 1918118023. The next prime is 1918118057. The reversal of 1918118027 is 7208118191.

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

It is a cyclic number.

It is not a de Polignac number, because 1918118027 - 2² = 1918118023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1918118021) 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 7 ways as a sum of consecutive naturals, for example, 100952 + ... + 118437.

It is an arithmetic number, because the mean of its divisors is an integer number (274237500).

Almost surely, 2^1918118027 is an apocalyptic number.

1918118027 is a deficient number, since it is larger than the sum of its proper divisors (275781973).

1918118027 is a wasteful number, since it uses less digits than its factorization.

1918118027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220645.

The product of its (nonzero) digits is 8064, while the sum is 38.

The square root of 1918118027 is about 43796.3243549045. The cubic root of 1918118027 is about 1242.4867774261.

The spelling of 1918118027 in words is "one billion, nine hundred eighteen million, one hundred eighteen thousand, twenty-seven".