105065161 has 4 divisors (see below), whose sum is σ = 106545024. Its totient is φ = 103585300.

The previous prime is 105065159. The next prime is 105065189. The reversal of 105065161 is 161560501.

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 105065161 - 2¹ = 105065159 is a prime.

It is a super-2 number, since 2×105065161² = 22077376111911842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105065111) 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, 739825 + ... + 739966.

It is an arithmetic number, because the mean of its divisors is an integer number (26636256).

Almost surely, 2^105065161 is an apocalyptic number.

It is an amenable number.

105065161 is a deficient number, since it is larger than the sum of its proper divisors (1479863).

105065161 is an equidigital number, since it uses as much as digits as its factorization.

105065161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479862.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 105065161 is about 10250.1298040561. The cubic root of 105065161 is about 471.8669682185.

The spelling of 105065161 in words is "one hundred five million, sixty-five thousand, one hundred sixty-one".