516116505 has 8 divisors (see below), whose sum is σ = 825786432. Its totient is φ = 275262128.

The previous prime is 516116501. The next prime is 516116561. The reversal of 516116505 is 505611615.

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 516116505 - 2² = 516116501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (516116501) 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, 17203869 + ... + 17203898.

It is an arithmetic number, because the mean of its divisors is an integer number (103223304).

Almost surely, 2^516116505 is an apocalyptic number.

It is an amenable number.

516116505 is a deficient number, since it is larger than the sum of its proper divisors (309669927).

516116505 is a wasteful number, since it uses less digits than its factorization.

516116505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34407775.

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 516116505 is about 22718.1976617865. The cubic root of 516116505 is about 802.1382925599.

The spelling of 516116505 in words is "five hundred sixteen million, one hundred sixteen thousand, five hundred five".