650064832809768 has 96 divisors (see below), whose sum is σ = 1769798410740360. Its totient is φ = 215555546949120.

The previous prime is 650064832809673. The next prime is 650064832809781. The reversal of 650064832809768 is 867908238460056.

650064832809768 is a `hidden beast` number, since 6 + 5 + 0 + 0 + 6 + 483 + 2 + 80 + 9 + 7 + 68 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 649929657463524 + 135175346244 = 25493718^2 + 367662^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 650064832809696 and 650064832809705.

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, 89862846 + ... + 96826962.

Almost surely, 2^{650064832809768} is an apocalyptic number.

It is an amenable number.

650064832809768 is an abundant number, since it is smaller than the sum of its proper divisors (1119733577930592).

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

650064832809768 is a wasteful number, since it uses less digits than its factorization.

650064832809768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6970907 (or 6970900 counting only the distinct ones).

The product of its (nonzero) digits is 836075520, while the sum is 72.

The spelling of 650064832809768 in words is "six hundred fifty trillion, sixty-four billion, eight hundred thirty-two million, eight hundred nine thousand, seven hundred sixty-eight".