493105161 has 4 divisors (see below), whose sum is σ = 657473552. Its totient is φ = 328736772.

The previous prime is 493105159. The next prime is 493105177. The reversal of 493105161 is 161501394.

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 not a de Polignac number, because 493105161 - 2¹ = 493105159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493105861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82184191 + ... + 82184196.

It is an arithmetic number, because the mean of its divisors is an integer number (164368388).

Almost surely, 2^493105161 is an apocalyptic number.

It is an amenable number.

493105161 is a deficient number, since it is larger than the sum of its proper divisors (164368391).

493105161 is a wasteful number, since it uses less digits than its factorization.

493105161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164368390.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 493105161 is about 22205.9712915243. The cubic root of 493105161 is about 790.0353351711.

The spelling of 493105161 in words is "four hundred ninety-three million, one hundred five thousand, one hundred sixty-one".