659870841 has 16 divisors (see below), whose sum is σ = 1007704064. Its totient is φ = 376249104.

The previous prime is 659870821. The next prime is 659870881. The reversal of 659870841 is 148078956.

It is not a de Polignac number, because 659870841 - 2⁶ = 659870777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (659870821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24211 + ... + 43656.

It is an arithmetic number, because the mean of its divisors is an integer number (62981504).

Almost surely, 2^659870841 is an apocalyptic number.

It is an amenable number.

659870841 is a deficient number, since it is larger than the sum of its proper divisors (347833223).

659870841 is a wasteful number, since it uses less digits than its factorization.

659870841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68340.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 659870841 is about 25687.9512807075. The cubic root of 659870841 is about 870.6019707576.

The spelling of 659870841 in words is "six hundred fifty-nine million, eight hundred seventy thousand, eight hundred forty-one".