516243368 has 8 divisors (see below), whose sum is σ = 967956330. Its totient is φ = 258121680.

The previous prime is 516243323. The next prime is 516243379. The reversal of 516243368 is 863342615.

It can be written as a sum of positive squares in only one way, i.e., 384865924 + 131377444 = 19618^2 + 11462^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 32265203 + ... + 32265218.

Almost surely, 2^516243368 is an apocalyptic number.

It is an amenable number.

516243368 is a deficient number, since it is larger than the sum of its proper divisors (451712962).

516243368 is a wasteful number, since it uses less digits than its factorization.

516243368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64530427 (or 64530423 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 516243368 is about 22720.9895911248. The cubic root of 516243368 is about 802.2040098495.

The spelling of 516243368 in words is "five hundred sixteen million, two hundred forty-three thousand, three hundred sixty-eight".