680066807348 has 12 divisors (see below), whose sum is σ = 1260123790212. Its totient is φ = 320031438720.

The previous prime is 680066807347. The next prime is 680066807351. The reversal of 680066807348 is 843708660086.

It can be written as a sum of positive squares in 2 ways, for example, as 461437621264 + 218629186084 = 679292^2 + 467578^2 .

It is a junction number, because it is equal to n+sod(n) for n = 680066807293 and 680066807302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680066807347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000491163 + ... + 5000491298.

It is an arithmetic number, because the mean of its divisors is an integer number (105010315851).

Almost surely, 2^680066807348 is an apocalyptic number.

680066807348 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

680066807348 is a deficient number, since it is larger than the sum of its proper divisors (580056982864).

680066807348 is a wasteful number, since it uses less digits than its factorization.

680066807348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000982482 (or 10000982480 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 56.

The spelling of 680066807348 in words is "six hundred eighty billion, sixty-six million, eight hundred seven thousand, three hundred forty-eight".