505065606671 has 16 divisors (see below), whose sum is σ = 517187695200. Its totient is φ = 493126704000.

The previous prime is 505065606611. The next prime is 505065606719. The reversal of 505065606671 is 176606560505.

It is a cyclic number.

It is not a de Polignac number, because 505065606671 - 2⁶ = 505065606607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505065606611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2214185 + ... + 2431613.

It is an arithmetic number, because the mean of its divisors is an integer number (32324230950).

Almost surely, 2^505065606671 is an apocalyptic number.

505065606671 is a deficient number, since it is larger than the sum of its proper divisors (12122088529).

505065606671 is a wasteful number, since it uses less digits than its factorization.

505065606671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217850.

The product of its (nonzero) digits is 1134000, while the sum is 47.

The spelling of 505065606671 in words is "five hundred five billion, sixty-five million, six hundred six thousand, six hundred seventy-one".