516668755 has 4 divisors (see below), whose sum is σ = 620002512. Its totient is φ = 413335000.

The previous prime is 516668753. The next prime is 516668759. The reversal of 516668755 is 557866615.

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

It is not a de Polignac number, because 516668755 - 2¹ = 516668753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 516668699 and 516668708.

It is not an unprimeable number, because it can be changed into a prime (516668753) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 51666871 + ... + 51666880.

It is an arithmetic number, because the mean of its divisors is an integer number (155000628).

Almost surely, 2^516668755 is an apocalyptic number.

516668755 is a deficient number, since it is larger than the sum of its proper divisors (103333757).

516668755 is a wasteful number, since it uses less digits than its factorization.

516668755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103333756.

The product of its digits is 1512000, while the sum is 49.

The square root of 516668755 is about 22730.3487654721. The cubic root of 516668755 is about 802.4242893349.

The spelling of 516668755 in words is "five hundred sixteen million, six hundred sixty-eight thousand, seven hundred fifty-five".