506458161 has 24 divisors (see below), whose sum is σ = 800167680. Its totient is φ = 306132000.

The previous prime is 506458151. The next prime is 506458181. The reversal of 506458161 is 161854605.

506458161 is a `hidden beast` number, since 5 + 0 + 645 + 8 + 1 + 6 + 1 = 666.

It is not a de Polignac number, because 506458161 - 2¹⁴ = 506441777 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (506458151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31936 + ... + 45086.

It is an arithmetic number, because the mean of its divisors is an integer number (33340320).

Almost surely, 2^506458161 is an apocalyptic number.

It is an amenable number.

506458161 is a deficient number, since it is larger than the sum of its proper divisors (293709519).

506458161 is a wasteful number, since it uses less digits than its factorization.

506458161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13557 (or 13554 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 506458161 is about 22504.6253245861. The cubic root of 506458161 is about 797.1031484963.

The spelling of 506458161 in words is "five hundred six million, four hundred fifty-eight thousand, one hundred sixty-one".