658260085 has 16 divisors (see below), whose sum is σ = 903583872. Its totient is φ = 450964800.

The previous prime is 658260061. The next prime is 658260131. The reversal of 658260085 is 580062856.

It is not a de Polignac number, because 658260085 - 2⁹ = 658259573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32955 + ... + 49015.

It is an arithmetic number, because the mean of its divisors is an integer number (56473992).

Almost surely, 2^658260085 is an apocalyptic number.

It is an amenable number.

658260085 is a deficient number, since it is larger than the sum of its proper divisors (245323787).

658260085 is a wasteful number, since it uses less digits than its factorization.

658260085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17244.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 658260085 is about 25656.5797603656. The cubic root of 658260085 is about 869.8930088185.

The spelling of 658260085 in words is "six hundred fifty-eight million, two hundred sixty thousand, eighty-five".