161341163 has 4 divisors (see below), whose sum is σ = 161455968. Its totient is φ = 161226360.

The previous prime is 161341153. The next prime is 161341183. The reversal of 161341163 is 361143161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 361143161 = 12619 ⋅28619.

It is a cyclic number.

It is not a de Polignac number, because 161341163 - 2¹⁰ = 161340139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161341133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55268 + ... + 58113.

It is an arithmetic number, because the mean of its divisors is an integer number (40363992).

Almost surely, 2^161341163 is an apocalyptic number.

161341163 is a deficient number, since it is larger than the sum of its proper divisors (114805).

161341163 is a wasteful number, since it uses less digits than its factorization.

161341163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114804.

The product of its digits is 1296, while the sum is 26.

The square root of 161341163 is about 12702.0141316250. The cubic root of 161341163 is about 544.3961698864.

The spelling of 161341163 in words is "one hundred sixty-one million, three hundred forty-one thousand, one hundred sixty-three".