118387564 has 12 divisors (see below), whose sum is σ = 207986184. Its totient is φ = 58962944.

The previous prime is 118387561. The next prime is 118387567. The reversal of 118387564 is 465783811.

It is an interprime number because it is at equal distance from previous prime (118387561) and next prime (118387567).

It is a self number, because there is not a number n which added to its sum of digits gives 118387564.

It is not an unprimeable number, because it can be changed into a prime (118387561) 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, 56554 + ... + 58609.

It is an arithmetic number, because the mean of its divisors is an integer number (17332182).

Almost surely, 2^118387564 is an apocalyptic number.

It is an amenable number.

118387564 is a deficient number, since it is larger than the sum of its proper divisors (89598620).

118387564 is a wasteful number, since it uses less digits than its factorization.

118387564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115424 (or 115422 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 118387564 is about 10880.6049464173. The cubic root of 118387564 is about 491.0232179308.

The spelling of 118387564 in words is "one hundred eighteen million, three hundred eighty-seven thousand, five hundred sixty-four".