506669966605 has 16 divisors (see below), whose sum is σ = 663312198528. Its totient is φ = 368467720000.

The previous prime is 506669966581. The next prime is 506669966617.

506669966605 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 506669966605 - 2¹¹ = 506669964557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 847080 + ... + 1315630.

It is an arithmetic number, because the mean of its divisors is an integer number (41457012408).

Almost surely, 2^506669966605 is an apocalyptic number.

506669966605 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

506669966605 is a deficient number, since it is larger than the sum of its proper divisors (156642231923).

506669966605 is a wasteful number, since it uses less digits than its factorization.

506669966605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488228.

The product of its (nonzero) digits is 94478400, while the sum is 64.

The spelling of 506669966605 in words is "five hundred six billion, six hundred sixty-nine million, nine hundred sixty-six thousand, six hundred five".