650937216 has 64 divisors (see below), whose sum is σ = 1765889280. Its totient is φ = 212356608.

The previous prime is 650937193. The next prime is 650937247. The reversal of 650937216 is 612739056.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15 + ... + 36081.

It is an arithmetic number, because the mean of its divisors is an integer number (27592020).

Almost surely, 2^650937216 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 650937216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (882944640).

650937216 is an abundant number, since it is smaller than the sum of its proper divisors (1114952064).

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

650937216 is a wasteful number, since it uses less digits than its factorization.

650937216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36131 (or 36119 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 650937216 is about 25513.4712651964. The cubic root of 650937216 is about 866.6552403490.

The spelling of 650937216 in words is "six hundred fifty million, nine hundred thirty-seven thousand, two hundred sixteen".