118001918 has 16 divisors (see below), whose sum is σ = 179212176. Its totient is φ = 58269120.

The previous prime is 118001911. The next prime is 118001921. The reversal of 118001918 is 819100811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118001911) 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, 60080 + ... + 62012.

It is an arithmetic number, because the mean of its divisors is an integer number (11200761).

Almost surely, 2^118001918 is an apocalyptic number.

118001918 is a deficient number, since it is larger than the sum of its proper divisors (61210258).

118001918 is a wasteful number, since it uses less digits than its factorization.

118001918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299.

The product of its (nonzero) digits is 576, while the sum is 29.

The square root of 118001918 is about 10862.8687739473. The cubic root of 118001918 is about 490.4894706344.

The spelling of 118001918 in words is "one hundred eighteen million, one thousand, nine hundred eighteen".