64264843804968 has 128 divisors (see below), whose sum is σ = 189017914435200. Its totient is φ = 20161128379392.

The previous prime is 64264843804937. The next prime is 64264843804991. The reversal of 64264843804968 is 86940834846246.

64264843804968 is a `hidden beast` number, since 6 + 4 + 2 + 6 + 484 + 3 + 80 + 4 + 9 + 68 = 666.

64264843804968 is digitally balanced in base 2, 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 (72).

It is a junction number, because it is equal to n+sod(n) for n = 64264843804896 and 64264843804905.

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 31 ways as a sum of consecutive naturals, for example, 232472046 + ... + 232748322.

It is an arithmetic number, because the mean of its divisors is an integer number (1476702456525).

Almost surely, 2^{64264843804968} is an apocalyptic number.

64264843804968 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

64264843804968 is an abundant number, since it is smaller than the sum of its proper divisors (124753070630232).

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

64264843804968 is a wasteful number, since it uses less digits than its factorization.

64264843804968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339656 (or 339646 counting only the distinct ones).

The product of its (nonzero) digits is 1528823808, while the sum is 72.

The spelling of 64264843804968 in words is "sixty-four trillion, two hundred sixty-four billion, eight hundred forty-three million, eight hundred four thousand, nine hundred sixty-eight".