516327666 has 8 divisors (see below), whose sum is σ = 1032655344. Its totient is φ = 172109220.

The previous prime is 516327583. The next prime is 516327671. The reversal of 516327666 is 666723615.

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

516327666 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43027300 + ... + 43027311.

It is an arithmetic number, because the mean of its divisors is an integer number (129081918).

Almost surely, 2^516327666 is an apocalyptic number.

516327666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

516327666 is a wasteful number, since it uses less digits than its factorization.

516327666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86054616.

The product of its digits is 272160, while the sum is 42.

The square root of 516327666 is about 22722.8445842504. The cubic root of 516327666 is about 802.2476717587.

The spelling of 516327666 in words is "five hundred sixteen million, three hundred twenty-seven thousand, six hundred sixty-six".