415216161 has 12 divisors (see below), whose sum is σ = 600277392. Its totient is φ = 276570456.

The previous prime is 415216141. The next prime is 415216187. The reversal of 415216161 is 161612514.

415216161 is a `hidden beast` number, since 41 + 5 + 2 + 1 + 616 + 1 = 666.

It is not a de Polignac number, because 415216161 - 2⁵ = 415216129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (415216121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8751 + ... + 30116.

It is an arithmetic number, because the mean of its divisors is an integer number (50023116).

Almost surely, 2^415216161 is an apocalyptic number.

It is an amenable number.

415216161 is a deficient number, since it is larger than the sum of its proper divisors (185061231).

415216161 is a wasteful number, since it uses less digits than its factorization.

415216161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40060 (or 40057 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 415216161 is about 20376.8535598605. The cubic root of 415216161 is about 746.0330763485.

Adding to 415216161 its reverse (161612514), we get a palindrome (576828675).

The spelling of 415216161 in words is "four hundred fifteen million, two hundred sixteen thousand, one hundred sixty-one".