518160561 has 8 divisors (see below), whose sum is σ = 731520864. Its totient is φ = 325120320.

The previous prime is 518160557. The next prime is 518160607. The reversal of 518160561 is 165061815.

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

It is not a de Polignac number, because 518160561 - 2² = 518160557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (518160161) 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, 5079955 + ... + 5080056.

It is an arithmetic number, because the mean of its divisors is an integer number (91440108).

Almost surely, 2^518160561 is an apocalyptic number.

518160561 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

518160561 is a deficient number, since it is larger than the sum of its proper divisors (213360303).

518160561 is a wasteful number, since it uses less digits than its factorization.

518160561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10160031.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 518160561 is about 22763.1404028530. The cubic root of 518160561 is about 803.1958417649.

The spelling of 518160561 in words is "five hundred eighteen million, one hundred sixty thousand, five hundred sixty-one".