506662945138 has 8 divisors (see below), whose sum is σ = 868565048832. Its totient is φ = 217141262196.

The previous prime is 506662945133. The next prime is 506662945147. The reversal of 506662945138 is 831549266605.

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

It is not an unprimeable number, because it can be changed into a prime (506662945133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18095105170 + ... + 18095105197.

It is an arithmetic number, because the mean of its divisors is an integer number (108570631104).

Almost surely, 2^506662945138 is an apocalyptic number.

506662945138 is a deficient number, since it is larger than the sum of its proper divisors (361902103694).

506662945138 is a wasteful number, since it uses less digits than its factorization.

506662945138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36190210376.

The product of its (nonzero) digits is 9331200, while the sum is 55.

The spelling of 506662945138 in words is "five hundred six billion, six hundred sixty-two million, nine hundred forty-five thousand, one hundred thirty-eight".