516505064 has 8 divisors (see below), whose sum is σ = 968447010. Its totient is φ = 258252528.

The previous prime is 516505061. The next prime is 516505069. The reversal of 516505064 is 460505615.

It can be written as a sum of positive squares in only one way, i.e., 487968100 + 28536964 = 22090^2 + 5342^2 .

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

It is a super-2 number, since 2×516505064² = 533554962275288192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 516505064.

It is not an unprimeable number, because it can be changed into a prime (516505061) 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 as a sum of consecutive naturals, namely, 32281559 + ... + 32281574.

Almost surely, 2^516505064 is an apocalyptic number.

It is an amenable number.

516505064 is a deficient number, since it is larger than the sum of its proper divisors (451941946).

516505064 is a wasteful number, since it uses less digits than its factorization.

516505064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64563139 (or 64563135 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 516505064 is about 22726.7477655735. The cubic root of 516505064 is about 802.3395390270.

The spelling of 516505064 in words is "five hundred sixteen million, five hundred five thousand, sixty-four".