118665898 has 8 divisors (see below), whose sum is σ = 191691108. Its totient is φ = 54768864.

The previous prime is 118665893. The next prime is 118665907. The reversal of 118665898 is 898566811.

It can be written as a sum of positive squares in 2 ways, for example, as 118526769 + 139129 = 10887^2 + 373^2 .

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

It is not an unprimeable number, because it can be changed into a prime (118665893) 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 3 ways as a sum of consecutive naturals, for example, 2282011 + ... + 2282062.

Almost surely, 2^118665898 is an apocalyptic number.

118665898 is a deficient number, since it is larger than the sum of its proper divisors (73025210).

118665898 is a wasteful number, since it uses less digits than its factorization.

118665898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4564088.

The product of its digits is 829440, while the sum is 52.

The square root of 118665898 is about 10893.3878109613. The cubic root of 118665898 is about 491.4077219756.

The spelling of 118665898 in words is "one hundred eighteen million, six hundred sixty-five thousand, eight hundred ninety-eight".