648164886528 has 192 divisors, whose sum is σ = 1770952135680. Its totient is φ = 210750160896.

The previous prime is 648164886527. The next prime is 648164886563. The reversal of 648164886528 is 825688461846.

It is a tau number, because it is divible by the number of its divisors (192).

It is not an unprimeable number, because it can be changed into a prime (648164886527) 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, 42392101 + ... + 42407387.

It is an arithmetic number, because the mean of its divisors is an integer number (9223709040).

Almost surely, 2^648164886528 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 648164886528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (885476067840).

648164886528 is an abundant number, since it is smaller than the sum of its proper divisors (1122787249152).

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

648164886528 is a wasteful number, since it uses less digits than its factorization.

648164886528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15482 (or 15462 counting only the distinct ones).

The product of its digits is 141557760, while the sum is 66.

The spelling of 648164886528 in words is "six hundred forty-eight billion, one hundred sixty-four million, eight hundred eighty-six thousand, five hundred twenty-eight".