659160191 has 4 divisors (see below), whose sum is σ = 660804384. Its totient is φ = 657516000.

The previous prime is 659160163. The next prime is 659160221. The reversal of 659160191 is 191061956.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 659160191 - 2⁶ = 659160127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659160791) 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, 821495 + ... + 822296.

It is an arithmetic number, because the mean of its divisors is an integer number (165201096).

Almost surely, 2^659160191 is an apocalyptic number.

659160191 is a deficient number, since it is larger than the sum of its proper divisors (1644193).

659160191 is a wasteful number, since it uses less digits than its factorization.

659160191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644192.

The product of its (nonzero) digits is 14580, while the sum is 38.

The square root of 659160191 is about 25674.1151941016. The cubic root of 659160191 is about 870.2893259761.

The spelling of 659160191 in words is "six hundred fifty-nine million, one hundred sixty thousand, one hundred ninety-one".