461316161 has 4 divisors (see below), whose sum is σ = 461389824. Its totient is φ = 461242500.

The previous prime is 461316157. The next prime is 461316173. The reversal of 461316161 is 161613164.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 461316161 - 2² = 461316157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461316101) 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, 26465 + ... + 40286.

It is an arithmetic number, because the mean of its divisors is an integer number (115347456).

Almost surely, 2^461316161 is an apocalyptic number.

It is an amenable number.

461316161 is a deficient number, since it is larger than the sum of its proper divisors (73663).

461316161 is an equidigital number, since it uses as much as digits as its factorization.

461316161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73662.

The product of its digits is 2592, while the sum is 29.

The square root of 461316161 is about 21478.2718345774. The cubic root of 461316161 is about 772.6797958839.

The spelling of 461316161 in words is "four hundred sixty-one million, three hundred sixteen thousand, one hundred sixty-one".