516516430 has 16 divisors (see below), whose sum is σ = 951351984. Its totient is φ = 201801600.

The previous prime is 516516383. The next prime is 516516433. The reversal of 516516430 is 34615615.

It is a junction number, because it is equal to n+sod(n) for n = 516516392 and 516516401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516516433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600171 + ... + 601030.

It is an arithmetic number, because the mean of its divisors is an integer number (59459499).

Almost surely, 2^516516430 is an apocalyptic number.

516516430 is a deficient number, since it is larger than the sum of its proper divisors (434835554).

516516430 is a wasteful number, since it uses less digits than its factorization.

516516430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201251.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 516516430 is about 22726.9978219738. The cubic root of 516516430 is about 802.3454243028.

It can be divided in two parts, 51651 and 6430, that added together give a square (58081 = 241²).

The spelling of 516516430 in words is "five hundred sixteen million, five hundred sixteen thousand, four hundred thirty".