516168385 has 8 divisors (see below), whose sum is σ = 620038080. Its totient is φ = 412510704.

The previous prime is 516168349. The next prime is 516168391. The reversal of 516168385 is 583861615.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516168385 is a prime.

It is an unprimeable number.

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, 47595 + ... + 57424.

It is an arithmetic number, because the mean of its divisors is an integer number (77504760).

Almost surely, 2^516168385 is an apocalyptic number.

It is an amenable number.

516168385 is a deficient number, since it is larger than the sum of its proper divisors (103869695).

516168385 is a wasteful number, since it uses less digits than its factorization.

516168385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106007.

The product of its digits is 172800, while the sum is 43.

The square root of 516168385 is about 22719.3394490245. The cubic root of 516168385 is about 802.1651686236.

The spelling of 516168385 in words is "five hundred sixteen million, one hundred sixty-eight thousand, three hundred eighty-five".