516575616 has 64 divisors (see below), whose sum is σ = 1374796800. Its totient is φ = 171860480.

The previous prime is 516575603. The next prime is 516575659. The reversal of 516575616 is 616575615.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275161 + ... + 277031.

It is an arithmetic number, because the mean of its divisors is an integer number (21481200).

Almost surely, 2^516575616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 516575616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (687398400).

516575616 is an abundant number, since it is smaller than the sum of its proper divisors (858221184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

516575616 is a wasteful number, since it uses less digits than its factorization.

516575616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2607 (or 2595 counting only the distinct ones).

The product of its digits is 189000, while the sum is 42.

The square root of 516575616 is about 22728.2998924249. The cubic root of 516575616 is about 802.3760692154.

Subtracting 516575616 from its reverse (616575615), we obtain a palindrome (99999999).

The spelling of 516575616 in words is "five hundred sixteen million, five hundred seventy-five thousand, six hundred sixteen".