518158117 has 8 divisors (see below), whose sum is σ = 521513216. Its totient is φ = 514812672.

The previous prime is 518158103. The next prime is 518158141. The reversal of 518158117 is 711851815.

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 518158117 - 2⁷ = 518157989 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 (518150117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126658 + ... + 130684.

It is an arithmetic number, because the mean of its divisors is an integer number (65189152).

Almost surely, 2^518158117 is an apocalyptic number.

It is an amenable number.

518158117 is a deficient number, since it is larger than the sum of its proper divisors (3355099).

518158117 is a wasteful number, since it uses less digits than its factorization.

518158117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4827.

The product of its digits is 11200, while the sum is 37.

The square root of 518158117 is about 22763.0867195115. The cubic root of 518158117 is about 803.1945789557.

The spelling of 518158117 in words is "five hundred eighteen million, one hundred fifty-eight thousand, one hundred seventeen".