825318210668 has 24 divisors (see below), whose sum is σ = 1653537396000. Its totient is φ = 353086167168.

The previous prime is 825318210667. The next prime is 825318210679. The reversal of 825318210668 is 866012813528.

It is not an unprimeable number, because it can be changed into a prime (825318210667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25885343 + ... + 25917206.

It is an arithmetic number, because the mean of its divisors is an integer number (68897391500).

Almost surely, 2^825318210668 is an apocalyptic number.

It is an amenable number.

825318210668 is an abundant number, since it is smaller than the sum of its proper divisors (828219185332).

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

825318210668 is a wasteful number, since it uses less digits than its factorization.

825318210668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51803129 (or 51803127 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 825318210668 in words is "eight hundred twenty-five billion, three hundred eighteen million, two hundred ten thousand, six hundred sixty-eight".