506689120667 has 8 divisors (see below), whose sum is σ = 514532967312. Its totient is φ = 498900708000.

The previous prime is 506689120631. The next prime is 506689120711. The reversal of 506689120667 is 766021986605.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506689120667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506688120667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13840073 + ... + 13876634.

It is an arithmetic number, because the mean of its divisors is an integer number (64316620914).

Almost surely, 2^506689120667 is an apocalyptic number.

506689120667 is a deficient number, since it is larger than the sum of its proper divisors (7843846645).

506689120667 is a wasteful number, since it uses less digits than its factorization.

506689120667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27716989.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 506689120667 in words is "five hundred six billion, six hundred eighty-nine million, one hundred twenty thousand, six hundred sixty-seven".