680202166344 has 64 divisors (see below), whose sum is σ = 1716621984000. Its totient is φ = 224585734464.

The previous prime is 680202166331. The next prime is 680202166471. The reversal of 680202166344 is 443661202086.

It is a junction number, because it is equal to n+sod(n) for n = 680202166296 and 680202166305.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 29435707 + ... + 29458805.

It is an arithmetic number, because the mean of its divisors is an integer number (26822218500).

Almost surely, 2^680202166344 is an apocalyptic number.

It is an amenable number.

680202166344 is an abundant number, since it is smaller than the sum of its proper divisors (1036419817656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

680202166344 is a wasteful number, since it uses less digits than its factorization.

680202166344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34682 (or 34678 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 680202166344 in words is "six hundred eighty billion, two hundred two million, one hundred sixty-six thousand, three hundred forty-four".