118218414 has 16 divisors (see below), whose sum is σ = 236582352. Its totient is φ = 39381888.

The previous prime is 118218403. The next prime is 118218431. The reversal of 118218414 is 414812811.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 6502 + ... + 16694.

It is an arithmetic number, because the mean of its divisors is an integer number (14786397).

Almost surely, 2^118218414 is an apocalyptic number.

118218414 is an abundant number, since it is smaller than the sum of its proper divisors (118363938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118218414 is a wasteful number, since it uses less digits than its factorization.

118218414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12131.

The product of its digits is 2048, while the sum is 30.

The square root of 118218414 is about 10872.8291626421. The cubic root of 118218414 is about 490.7892514496.

The spelling of 118218414 in words is "one hundred eighteen million, two hundred eighteen thousand, four hundred fourteen".