118205660 has 12 divisors (see below), whose sum is σ = 248231928. Its totient is φ = 47282256.

The previous prime is 118205657. The next prime is 118205663. The reversal of 118205660 is 66502811.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (118205657) and next prime (118205663).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118205663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2955122 + ... + 2955161.

It is an arithmetic number, because the mean of its divisors is an integer number (20685994).

Almost surely, 2^118205660 is an apocalyptic number.

118205660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118205660 is an abundant number, since it is smaller than the sum of its proper divisors (130026268).

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

118205660 is a wasteful number, since it uses less digits than its factorization.

118205660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5910292 (or 5910290 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 118205660 is about 10872.2426389407. The cubic root of 118205660 is about 490.7716012065.

The spelling of 118205660 in words is "one hundred eighteen million, two hundred five thousand, six hundred sixty".