680835804180 has 192 divisors, whose sum is σ = 2192376496128. Its totient is φ = 154642245120.

The previous prime is 680835804101. The next prime is 680835804191. The reversal of 680835804180 is 81408538086.

680835804180 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 135541149 + ... + 135546171.

It is an arithmetic number, because the mean of its divisors is an integer number (11418627584).

Almost surely, 2^680835804180 is an apocalyptic number.

680835804180 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680835804180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1096188248064).

680835804180 is an abundant number, since it is smaller than the sum of its proper divisors (1511540691948).

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

680835804180 is a wasteful number, since it uses less digits than its factorization.

680835804180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7006 (or 7004 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 51.

The spelling of 680835804180 in words is "six hundred eighty billion, eight hundred thirty-five million, eight hundred four thousand, one hundred eighty".