8358161 has 4 divisors (see below), whose sum is σ = 9552192. Its totient is φ = 7164132.

The previous prime is 8358143. The next prime is 8358167. The reversal of 8358161 is 1618538.

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: 1618538 = 2 ⋅809269.

It is a cyclic number.

It is not a de Polignac number, because 8358161 - 2¹⁴ = 8341777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8358167) 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, 597005 + ... + 597018.

It is an arithmetic number, because the mean of its divisors is an integer number (2388048).

Almost surely, 2^8358161 is an apocalyptic number.

It is an amenable number.

8358161 is a deficient number, since it is larger than the sum of its proper divisors (1194031).

8358161 is a wasteful number, since it uses less digits than its factorization.

8358161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194030.

The product of its digits is 5760, while the sum is 32.

The square root of 8358161 is about 2891.0484257445. The cubic root of 8358161 is about 202.9412094065.

The spelling of 8358161 in words is "eight million, three hundred fifty-eight thousand, one hundred sixty-one".