648300286656 has 224 divisors, whose sum is σ = 2082574041600. Its totient is φ = 196130626560.

The previous prime is 648300286639. The next prime is 648300286681. The reversal of 648300286656 is 656682003846.

It is a happy number.

648300286656 is a `hidden beast` number, since 6 + 4 + 8 + 300 + 286 + 6 + 56 = 666.

648300286656 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 11624085 + ... + 11679723.

Almost surely, 2^648300286656 is an apocalyptic number.

648300286656 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 648300286656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1041287020800).

648300286656 is an abundant number, since it is smaller than the sum of its proper divisors (1434273754944).

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

648300286656 is a wasteful number, since it uses less digits than its factorization.

648300286656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56284 (or 56268 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 54.

The spelling of 648300286656 in words is "six hundred forty-eight billion, three hundred million, two hundred eighty-six thousand, six hundred fifty-six".