118288564 has 12 divisors (see below), whose sum is σ = 214143300. Its totient is φ = 57104768.

The previous prime is 118288561. The next prime is 118288631. The reversal of 118288564 is 465882811.

It can be written as a sum of positive squares in 2 ways, for example, as 52678564 + 65610000 = 7258^2 + 8100^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 118288564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118288561) 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, 509749 + ... + 509980.

It is an arithmetic number, because the mean of its divisors is an integer number (17845275).

Almost surely, 2^118288564 is an apocalyptic number.

It is an amenable number.

118288564 is a deficient number, since it is larger than the sum of its proper divisors (95854736).

118288564 is a wasteful number, since it uses less digits than its factorization.

118288564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019762 (or 1019760 counting only the distinct ones).

The product of its digits is 122880, while the sum is 43.

The square root of 118288564 is about 10876.0546155304. The cubic root of 118288564 is about 490.8863092516.

The spelling of 118288564 in words is "one hundred eighteen million, two hundred eighty-eight thousand, five hundred sixty-four".