516603161 has 16 divisors (see below), whose sum is σ = 554252160. Its totient is φ = 480332160.

The previous prime is 516603149. The next prime is 516603209. The reversal of 516603161 is 161306615.

It is a cyclic number.

It is not a de Polignac number, because 516603161 - 2⁶ = 516603097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (516603961) 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 15 ways as a sum of consecutive naturals, for example, 225341 + ... + 227621.

It is an arithmetic number, because the mean of its divisors is an integer number (34640760).

Almost surely, 2^516603161 is an apocalyptic number.

It is an amenable number.

516603161 is a deficient number, since it is larger than the sum of its proper divisors (37648999).

516603161 is a wasteful number, since it uses less digits than its factorization.

516603161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 516603161 is about 22728.9058469606. The cubic root of 516603161 is about 802.3903304745.

Adding to 516603161 its reverse (161306615), we get a palindrome (677909776).

The spelling of 516603161 in words is "five hundred sixteen million, six hundred three thousand, one hundred sixty-one".