506160266991 has 4 divisors (see below), whose sum is σ = 674880355992. Its totient is φ = 337440177992.

The previous prime is 506160266959. The next prime is 506160267037. The reversal of 506160266991 is 199662061605.

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 506160266991 - 2⁵ = 506160266959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506160264991) 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, 84360044496 + ... + 84360044501.

It is an arithmetic number, because the mean of its divisors is an integer number (168720088998).

Almost surely, 2^506160266991 is an apocalyptic number.

506160266991 is a deficient number, since it is larger than the sum of its proper divisors (168720089001).

506160266991 is a wasteful number, since it uses less digits than its factorization.

506160266991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168720089000.

The product of its (nonzero) digits is 1049760, while the sum is 51.

The spelling of 506160266991 in words is "five hundred six billion, one hundred sixty million, two hundred sixty-six thousand, nine hundred ninety-one".