1716162161 has 4 divisors (see below), whose sum is σ = 1961328192. Its totient is φ = 1470996132.

The previous prime is 1716162127. The next prime is 1716162197. The reversal of 1716162161 is 1612616171.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1612616171 = 311 ⋅5185261.

It is a cyclic number.

It is not a de Polignac number, because 1716162161 - 2²² = 1711967857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1716102161) 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, 122583005 + ... + 122583018.

It is an arithmetic number, because the mean of its divisors is an integer number (490332048).

Almost surely, 2^1716162161 is an apocalyptic number.

It is an amenable number.

1716162161 is a deficient number, since it is larger than the sum of its proper divisors (245166031).

1716162161 is an equidigital number, since it uses as much as digits as its factorization.

1716162161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245166030.

The product of its digits is 3024, while the sum is 32.

The square root of 1716162161 is about 41426.5876098913. The cubic root of 1716162161 is about 1197.2534781346.

The spelling of 1716162161 in words is "one billion, seven hundred sixteen million, one hundred sixty-two thousand, one hundred sixty-one".