506351163261 has 8 divisors (see below), whose sum is σ = 675190149984. Its totient is φ = 337539809360.

The previous prime is 506351163229. The next prime is 506351163271. The reversal of 506351163261 is 162361153605.

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

It is a cyclic number.

It is not a de Polignac number, because 506351163261 - 2⁵ = 506351163229 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506351163271) 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, 6865410 + ... + 6938771.

It is an arithmetic number, because the mean of its divisors is an integer number (84398768748).

Almost surely, 2^506351163261 is an apocalyptic number.

It is an amenable number.

506351163261 is a deficient number, since it is larger than the sum of its proper divisors (168838986723).

506351163261 is a wasteful number, since it uses less digits than its factorization.

506351163261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13816411.

The product of its (nonzero) digits is 97200, while the sum is 39.

The spelling of 506351163261 in words is "five hundred six billion, three hundred fifty-one million, one hundred sixty-three thousand, two hundred sixty-one".