230564161 has 4 divisors (see below), whose sum is σ = 232802752. Its totient is φ = 228325572.

The previous prime is 230564141. The next prime is 230564179. The reversal of 230564161 is 161465032.

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 230564161 - 2⁹ = 230563649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230564111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1119141 + ... + 1119346.

It is an arithmetic number, because the mean of its divisors is an integer number (58200688).

Almost surely, 2^230564161 is an apocalyptic number.

It is an amenable number.

230564161 is a deficient number, since it is larger than the sum of its proper divisors (2238591).

230564161 is a wasteful number, since it uses less digits than its factorization.

230564161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238590.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 230564161 is about 15184.3393336688. The cubic root of 230564161 is about 613.1931110275.

It can be divided in two parts, 2305 and 64161, that added together give a palindrome (66466).

The spelling of 230564161 in words is "two hundred thirty million, five hundred sixty-four thousand, one hundred sixty-one".