516942665 has 8 divisors (see below), whose sum is σ = 621276480. Its totient is φ = 412923952.

The previous prime is 516942653. The next prime is 516942677. The reversal of 516942665 is 566249615.

It is an interprime number because it is at equal distance from previous prime (516942653) and next prime (516942677).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 516942665 - 2¹⁰ = 516941641 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75149 + ... + 81738.

It is an arithmetic number, because the mean of its divisors is an integer number (77659560).

Almost surely, 2^516942665 is an apocalyptic number.

It is an amenable number.

516942665 is a deficient number, since it is larger than the sum of its proper divisors (104333815).

516942665 is a wasteful number, since it uses less digits than its factorization.

516942665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157551.

The product of its digits is 388800, while the sum is 44.

The square root of 516942665 is about 22736.3731716384. The cubic root of 516942665 is about 802.5660650250.

The spelling of 516942665 in words is "five hundred sixteen million, nine hundred forty-two thousand, six hundred sixty-five".