504763331411666 has 8 divisors (see below), whose sum is σ = 758632511848140. Its totient is φ = 251885827462288.

The previous prime is 504763331411653. The next prime is 504763331411719. The reversal of 504763331411666 is 666114133367405.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 500415960460441 + 4347370951225 = 22369979^2 + 2085035^2 .

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

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, 247919120501 + ... + 247919122536.

Almost surely, 2^{504763331411666} is an apocalyptic number.

504763331411666 is a deficient number, since it is larger than the sum of its proper divisors (253869180436474).

504763331411666 is a wasteful number, since it uses less digits than its factorization.

504763331411666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495838243548.

The product of its (nonzero) digits is 19595520, while the sum is 56.

The spelling of 504763331411666 in words is "five hundred four trillion, seven hundred sixty-three billion, three hundred thirty-one million, four hundred eleven thousand, six hundred sixty-six".