680189416 has 8 divisors (see below), whose sum is σ = 1275355170. Its totient is φ = 340094704.

The previous prime is 680189407. The next prime is 680189423. The reversal of 680189416 is 614981086.

680189416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 670292100 + 9897316 = 25890^2 + 3146^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42511831 + ... + 42511846.

Almost surely, 2^680189416 is an apocalyptic number.

It is an amenable number.

680189416 is a deficient number, since it is larger than the sum of its proper divisors (595165754).

680189416 is a wasteful number, since it uses less digits than its factorization.

680189416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85023683 (or 85023679 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 680189416 is about 26080.4412539359. The cubic root of 680189416 is about 879.4475768407.

It can be divided in two parts, 680 and 189416, that added together give a square (190096 = 436²).

The spelling of 680189416 in words is "six hundred eighty million, one hundred eighty-nine thousand, four hundred sixteen".