680845104686 has 16 divisors (see below), whose sum is σ = 1027431896400. Its totient is φ = 338373652608.

The previous prime is 680845104677. The next prime is 680845104743. The reversal of 680845104686 is 686401548086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1228376 + ... + 1694283.

It is an arithmetic number, because the mean of its divisors is an integer number (64214493525).

Almost surely, 2^680845104686 is an apocalyptic number.

680845104686 is a deficient number, since it is larger than the sum of its proper divisors (346586791714).

680845104686 is a wasteful number, since it uses less digits than its factorization.

680845104686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923363.

The product of its (nonzero) digits is 8847360, while the sum is 56.

The spelling of 680845104686 in words is "six hundred eighty billion, eight hundred forty-five million, one hundred four thousand, six hundred eighty-six".