516662216506 has 8 divisors (see below), whose sum is σ = 784330593984. Its totient is φ = 255218685180.

The previous prime is 516662216449. The next prime is 516662216507. The reversal of 516662216506 is 605612266615.

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

It is not an unprimeable number, because it can be changed into a prime (516662216507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1556211330 + ... + 1556211661.

It is an arithmetic number, because the mean of its divisors is an integer number (98041324248).

Almost surely, 2^516662216506 is an apocalyptic number.

516662216506 is a deficient number, since it is larger than the sum of its proper divisors (267668377478).

516662216506 is a wasteful number, since it uses less digits than its factorization.

516662216506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112423076.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 516662216506 in words is "five hundred sixteen billion, six hundred sixty-two million, two hundred sixteen thousand, five hundred six".