680553561586 has 8 divisors (see below), whose sum is σ = 1020864049920. Its totient is φ = 340265544948.

The previous prime is 680553561563. The next prime is 680553561587. The reversal of 680553561586 is 685165355086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 680553561586.

It is not an unprimeable number, because it can be changed into a prime (680553561587) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5542006 + ... + 5663473.

It is an arithmetic number, because the mean of its divisors is an integer number (127608006240).

Almost surely, 2^680553561586 is an apocalyptic number.

680553561586 is a deficient number, since it is larger than the sum of its proper divisors (340310488334).

680553561586 is a wasteful number, since it uses less digits than its factorization.

680553561586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11235848.

The product of its (nonzero) digits is 25920000, while the sum is 58.

The spelling of 680553561586 in words is "six hundred eighty billion, five hundred fifty-three million, five hundred sixty-one thousand, five hundred eighty-six".