680544183746 has 16 divisors (see below), whose sum is σ = 1228049655360. Its totient is φ = 276311172240.

The previous prime is 680544183593. The next prime is 680544183749. The reversal of 680544183746 is 647381445086.

It is a junction number, because it is equal to n+sod(n) for n = 680544183691 and 680544183700.

It is not an unprimeable number, because it can be changed into a prime (680544183749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1279218125 + ... + 1279218656.

It is an arithmetic number, because the mean of its divisors is an integer number (76753103460).

Almost surely, 2^680544183746 is an apocalyptic number.

680544183746 is a deficient number, since it is larger than the sum of its proper divisors (547505471614).

680544183746 is a wasteful number, since it uses less digits than its factorization.

680544183746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558436809.

The product of its (nonzero) digits is 15482880, while the sum is 56.

The spelling of 680544183746 in words is "six hundred eighty billion, five hundred forty-four million, one hundred eighty-three thousand, seven hundred forty-six".