118205164 has 48 divisors (see below), whose sum is σ = 259209216. Its totient is φ = 45820800.

The previous prime is 118205161. The next prime is 118205209. The reversal of 118205164 is 461502811.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (118205161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67824 + ... + 69544.

It is an arithmetic number, because the mean of its divisors is an integer number (5400192).

Almost surely, 2^118205164 is an apocalyptic number.

118205164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118205164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129604608).

118205164 is an abundant number, since it is smaller than the sum of its proper divisors (141004052).

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

118205164 is a wasteful number, since it uses less digits than its factorization.

118205164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966 (or 1964 counting only the distinct ones).

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

The square root of 118205164 is about 10872.2198285355. The cubic root of 118205164 is about 490.7709147671.

Adding to 118205164 its reverse (461502811), we get a palindrome (579707975).

The spelling of 118205164 in words is "one hundred eighteen million, two hundred five thousand, one hundred sixty-four".