118215064 has 48 divisors (see below), whose sum is σ = 246342600. Its totient is φ = 53137920.

The previous prime is 118215061. The next prime is 118215077. The reversal of 118215064 is 460512811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118215061) 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 11 ways as a sum of consecutive naturals, for example, 93267 + ... + 94525.

Almost surely, 2^118215064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118215064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123171300).

118215064 is an abundant number, since it is smaller than the sum of its proper divisors (128127536).

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

118215064 is a wasteful number, since it uses less digits than its factorization.

118215064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384 (or 1369 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 118215064 is about 10872.6751078104. The cubic root of 118215064 is about 490.7846155121.

Adding to 118215064 its reverse (460512811), we get a palindrome (578727875).

The spelling of 118215064 in words is "one hundred eighteen million, two hundred fifteen thousand, sixty-four".