118665151 has 8 divisors (see below), whose sum is σ = 137067984. Its totient is φ = 101531520.

The previous prime is 118665149. The next prime is 118665161. The reversal of 118665151 is 151566811.

It is a happy number.

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 118665151 - 2¹ = 118665149 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 (118665121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317100 + ... + 317473.

It is an arithmetic number, because the mean of its divisors is an integer number (17133498).

Almost surely, 2^118665151 is an apocalyptic number.

118665151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

118665151 is a deficient number, since it is larger than the sum of its proper divisors (18402833).

118665151 is a wasteful number, since it uses less digits than its factorization.

118665151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634601.

The product of its digits is 7200, while the sum is 34.

The square root of 118665151 is about 10893.3535240531. The cubic root of 118665151 is about 491.4066908388.

The spelling of 118665151 in words is "one hundred eighteen million, six hundred sixty-five thousand, one hundred fifty-one".