659225161 has 4 divisors (see below), whose sum is σ = 753400192. Its totient is φ = 565050132.

The previous prime is 659225141. The next prime is 659225173. The reversal of 659225161 is 161522956.

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 659225161 - 2²⁵ = 625670729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 659225161.

It is not an unprimeable number, because it can be changed into a prime (659225141) 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, 47087505 + ... + 47087518.

It is an arithmetic number, because the mean of its divisors is an integer number (188350048).

Almost surely, 2^659225161 is an apocalyptic number.

It is an amenable number.

659225161 is a deficient number, since it is larger than the sum of its proper divisors (94175031).

659225161 is an equidigital number, since it uses as much as digits as its factorization.

659225161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94175030.

The product of its digits is 32400, while the sum is 37.

The square root of 659225161 is about 25675.3804450879. The cubic root of 659225161 is about 870.3179183379.

The spelling of 659225161 in words is "six hundred fifty-nine million, two hundred twenty-five thousand, one hundred sixty-one".