659029212 has 144 divisors (see below), whose sum is σ = 1848188160. Its totient is φ = 197074944.

The previous prime is 659029211. The next prime is 659029229. The reversal of 659029212 is 212920956.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659029211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2564188 + ... + 2564444.

It is an arithmetic number, because the mean of its divisors is an integer number (12834640).

Almost surely, 2^659029212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 659029212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (924094080).

659029212 is an abundant number, since it is smaller than the sum of its proper divisors (1189158948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

659029212 is a wasteful number, since it uses less digits than its factorization.

659029212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 659029212 is about 25671.5642686612. The cubic root of 659029212 is about 870.2316782914.

The spelling of 659029212 in words is "six hundred fifty-nine million, twenty-nine thousand, two hundred twelve".