506668567 has 4 divisors (see below), whose sum is σ = 513804816. Its totient is φ = 499532320.

The previous prime is 506668553. The next prime is 506668597. The reversal of 506668567 is 765866605.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 506668567 - 2⁷ = 506668439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 506668567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506668517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3568018 + ... + 3568159.

It is an arithmetic number, because the mean of its divisors is an integer number (128451204).

Almost surely, 2^506668567 is an apocalyptic number.

506668567 is a deficient number, since it is larger than the sum of its proper divisors (7136249).

506668567 is an equidigital number, since it uses as much as digits as its factorization.

506668567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7136248.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The square root of 506668567 is about 22509.2995670678. The cubic root of 506668567 is about 797.2135176428.

The spelling of 506668567 in words is "five hundred six million, six hundred sixty-eight thousand, five hundred sixty-seven".