516313516 has 12 divisors (see below), whose sum is σ = 918361360. Its totient is φ = 253924560.

The previous prime is 516313493. The next prime is 516313519. The reversal of 516313516 is 615313615.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (516313519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057776 + ... + 1058263.

Almost surely, 2^516313516 is an apocalyptic number.

It is an amenable number.

516313516 is a deficient number, since it is larger than the sum of its proper divisors (402047844).

516313516 is a wasteful number, since it uses less digits than its factorization.

516313516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116104 (or 2116102 counting only the distinct ones).

The product of its digits is 8100, while the sum is 31.

The square root of 516313516 is about 22722.5332214522. The cubic root of 516313516 is about 802.2403431384.

Subtracting 516313516 from its reverse (615313615), we obtain a palindrome (99000099).

It can be divided in two parts, 5 and 16313516, that added together give a square (16313521 = 4039²).

The spelling of 516313516 in words is "five hundred sixteen million, three hundred thirteen thousand, five hundred sixteen".