659980211 has 24 divisors (see below), whose sum is σ = 757896624. Its totient is φ = 569540160.

The previous prime is 659980199. The next prime is 659980213. The reversal of 659980211 is 112089956.

It is a happy number.

It is not a de Polignac number, because 659980211 - 2¹⁴ = 659963827 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659980213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 752105 + ... + 752981.

It is an arithmetic number, because the mean of its divisors is an integer number (31579026).

Almost surely, 2^659980211 is an apocalyptic number.

659980211 is a deficient number, since it is larger than the sum of its proper divisors (97916413).

659980211 is a wasteful number, since it uses less digits than its factorization.

659980211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011 (or 968 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 659980211 is about 25690.0800115531. The cubic root of 659980211 is about 870.6500672797.

The spelling of 659980211 in words is "six hundred fifty-nine million, nine hundred eighty thousand, two hundred eleven".