652221052608 has 168 divisors, whose sum is σ = 1796735649600. Its totient is φ = 208745166336.

The previous prime is 652221052597. The next prime is 652221052621. The reversal of 652221052608 is 806250122256.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20929903 + ... + 20961041.

Almost surely, 2^652221052608 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 652221052608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (898367824800).

652221052608 is an abundant number, since it is smaller than the sum of its proper divisors (1144514596992).

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

652221052608 is a wasteful number, since it uses less digits than its factorization.

652221052608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31299 (or 31246 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 652221052608 in words is "six hundred fifty-two billion, two hundred twenty-one million, fifty-two thousand, six hundred eight".