118657165 has 16 divisors (see below), whose sum is σ = 155643840. Its totient is φ = 86123520.

The previous prime is 118657163. The next prime is 118657169. The reversal of 118657165 is 561756811.

It is not a de Polignac number, because 118657165 - 2¹ = 118657163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118657163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29866 + ... + 33604.

It is an arithmetic number, because the mean of its divisors is an integer number (9727740).

Almost surely, 2^118657165 is an apocalyptic number.

It is an amenable number.

118657165 is a deficient number, since it is larger than the sum of its proper divisors (36986675).

118657165 is a wasteful number, since it uses less digits than its factorization.

118657165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332.

The product of its digits is 50400, while the sum is 40.

The square root of 118657165 is about 10892.9869640976. The cubic root of 118657165 is about 491.3956669287.

The spelling of 118657165 in words is "one hundred eighteen million, six hundred fifty-seven thousand, one hundred sixty-five".