506455116666 has 8 divisors (see below), whose sum is σ = 1012910233344. Its totient is φ = 168818372220.

The previous prime is 506455116659. The next prime is 506455116677. The reversal of 506455116666 is 666611554605.

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

506455116666 is an admirable 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, 42204593050 + ... + 42204593061.

It is an arithmetic number, because the mean of its divisors is an integer number (126613779168).

Almost surely, 2^506455116666 is an apocalyptic number.

506455116666 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.

506455116666 is a wasteful number, since it uses less digits than its factorization.

506455116666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84409186116.

The product of its (nonzero) digits is 3888000, while the sum is 51.

The spelling of 506455116666 in words is "five hundred six billion, four hundred fifty-five million, one hundred sixteen thousand, six hundred sixty-six".