118164709 has 8 divisors (see below), whose sum is σ = 127992312. Its totient is φ = 108442560.

The previous prime is 118164703. The next prime is 118164757. The reversal of 118164709 is 907461811.

It can be written as a sum of positive squares in 4 ways, for example, as 59213025 + 58951684 = 7695^2 + 7678^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118164709 - 2¹⁵ = 118131941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118164703) 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 7 ways as a sum of consecutive naturals, for example, 24022 + ... + 28519.

It is an arithmetic number, because the mean of its divisors is an integer number (15999039).

Almost surely, 2^118164709 is an apocalyptic number.

It is an amenable number.

118164709 is a deficient number, since it is larger than the sum of its proper divisors (9827603).

118164709 is a wasteful number, since it uses less digits than its factorization.

118164709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52727.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 118164709 is about 10870.3591936973. The cubic root of 118164709 is about 490.7149205897.

The spelling of 118164709 in words is "one hundred eighteen million, one hundred sixty-four thousand, seven hundred nine".