516995967 has 4 divisors (see below), whose sum is σ = 689327960. Its totient is φ = 344663976.

The previous prime is 516995953. The next prime is 516995971. The reversal of 516995967 is 769599615.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 516995967 - 2⁴ = 516995951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516995917) 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, 86165992 + ... + 86165997.

It is an arithmetic number, because the mean of its divisors is an integer number (172331990).

Almost surely, 2^516995967 is an apocalyptic number.

516995967 is a deficient number, since it is larger than the sum of its proper divisors (172331993).

516995967 is a wasteful number, since it uses less digits than its factorization.

516995967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172331992.

The product of its digits is 4592700, while the sum is 57.

The square root of 516995967 is about 22737.5453160626. The cubic root of 516995967 is about 802.5936482942.

The spelling of 516995967 in words is "five hundred sixteen million, nine hundred ninety-five thousand, nine hundred sixty-seven".