118505664 has 84 divisors (see below), whose sum is σ = 341519256. Its totient is φ = 39287808.

The previous prime is 118505663. The next prime is 118505669. The reversal of 118505664 is 466505811.

118505664 is a `hidden beast` number, since 11 + 85 + 0 + 566 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (118505663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133767 + ... + 134649.

Almost surely, 2^118505664 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 118505664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170759628).

118505664 is an abundant number, since it is smaller than the sum of its proper divisors (223013592).

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

118505664 is a wasteful number, since it uses less digits than its factorization.

118505664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 1121 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 118505664 is about 10886.0306815662. The cubic root of 118505664 is about 491.1864405075.

The spelling of 118505664 in words is "one hundred eighteen million, five hundred five thousand, six hundred sixty-four".