506051005642666 has 8 divisors (see below), whose sum is σ = 828083463778944. Its totient is φ = 230023184383020.

The previous prime is 506051005642627. The next prime is 506051005642691. The reversal of 506051005642666 is 666246500150605.

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, 11501159219130 + ... + 11501159219173.

It is an arithmetic number, because the mean of its divisors is an integer number (103510432972368).

Almost surely, 2^{506051005642666} is an apocalyptic number.

506051005642666 is a deficient number, since it is larger than the sum of its proper divisors (322032458136278).

506051005642666 is a wasteful number, since it uses less digits than its factorization.

506051005642666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23002318438316.

The product of its (nonzero) digits is 7776000, while the sum is 52.

The spelling of 506051005642666 in words is "five hundred six trillion, fifty-one billion, five million, six hundred forty-two thousand, six hundred sixty-six".