118536564 has 12 divisors (see below), whose sum is σ = 276585344. Its totient is φ = 39512184.

The previous prime is 118536557. The next prime is 118536581. The reversal of 118536564 is 465635811.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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, 4939012 + ... + 4939035.

Almost surely, 2^118536564 is an apocalyptic number.

It is an amenable number.

118536564 is an abundant number, since it is smaller than the sum of its proper divisors (158048780).

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

118536564 is a wasteful number, since it uses less digits than its factorization.

118536564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9878054 (or 9878052 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 118536564 is about 10887.4498391497. The cubic root of 118536564 is about 491.2291285994.

The spelling of 118536564 in words is "one hundred eighteen million, five hundred thirty-six thousand, five hundred sixty-four".