680076443108172 has 192 divisors, whose sum is σ = 1740437603573760. Its totient is φ = 204975881510400.

The previous prime is 680076443108143. The next prime is 680076443108197. The reversal of 680076443108172 is 271801344670086.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48986267143 + ... + 48986281025.

It is an arithmetic number, because the mean of its divisors is an integer number (9064779185280).

Almost surely, 2^{680076443108172} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680076443108172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (870218801786880).

680076443108172 is an abundant number, since it is smaller than the sum of its proper divisors (1060361160465588).

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

680076443108172 is a wasteful number, since it uses less digits than its factorization.

680076443108172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16724 (or 16722 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 57.

The spelling of 680076443108172 in words is "six hundred eighty trillion, seventy-six billion, four hundred forty-three million, one hundred eight thousand, one hundred seventy-two".