506476161 has 6 divisors (see below), whose sum is σ = 731576690. Its totient is φ = 337650768.

The previous prime is 506476151. The next prime is 506476177. The reversal of 506476161 is 161674605.

506476161 is a `hidden beast` number, since 5 + 0 + 647 + 6 + 1 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 292410000 + 214066161 = 17100^2 + 14631^2 .

It is not a de Polignac number, because 506476161 - 2⁹ = 506475649 is a prime.

It is a super-2 number, since 2×506476161² = 513036203322595842, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (506476111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28137556 + ... + 28137573.

Almost surely, 2^506476161 is an apocalyptic number.

It is an amenable number.

506476161 is a deficient number, since it is larger than the sum of its proper divisors (225100529).

506476161 is a wasteful number, since it uses less digits than its factorization.

506476161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56275135 (or 56275132 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 506476161 is about 22505.0252388217. The cubic root of 506476161 is about 797.1125916500.

It can be divided in two parts, 5064 and 76161, that added together give a square (81225 = 285²).

The spelling of 506476161 in words is "five hundred six million, four hundred seventy-six thousand, one hundred sixty-one".