9516161 has 4 divisors (see below), whose sum is σ = 9573312. Its totient is φ = 9459012.

The previous prime is 9516149. The next prime is 9516167. The reversal of 9516161 is 1616159.

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: 1616159 = 19 ⋅85061.

It is a cyclic number.

It is not a de Polignac number, because 9516161 - 2¹⁰ = 9515137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9516167) 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, 28325 + ... + 28658.

It is an arithmetic number, because the mean of its divisors is an integer number (2393328).

Almost surely, 2^9516161 is an apocalyptic number.

It is an amenable number.

9516161 is a deficient number, since it is larger than the sum of its proper divisors (57151).

9516161 is a wasteful number, since it uses less digits than its factorization.

9516161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57150.

The product of its digits is 1620, while the sum is 29.

The square root of 9516161 is about 3084.8275478542. The cubic root of 9516161 is about 211.9112079214.

The spelling of 9516161 in words is "nine million, five hundred sixteen thousand, one hundred sixty-one".