659230161 has 4 divisors (see below), whose sum is σ = 878973552. Its totient is φ = 439486772.

The previous prime is 659230141. The next prime is 659230171. The reversal of 659230161 is 161032956.

It is a happy number.

659230161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 659230161 - 2¹⁸ = 658968017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (659230141) 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, 109871691 + ... + 109871696.

It is an arithmetic number, because the mean of its divisors is an integer number (219743388).

Almost surely, 2^659230161 is an apocalyptic number.

It is an amenable number.

659230161 is a deficient number, since it is larger than the sum of its proper divisors (219743391).

659230161 is a wasteful number, since it uses less digits than its factorization.

659230161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219743390.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 659230161 is about 25675.4778144439. The cubic root of 659230161 is about 870.3201186880.

The spelling of 659230161 in words is "six hundred fifty-nine million, two hundred thirty thousand, one hundred sixty-one".