680216255760 has 80 divisors (see below), whose sum is σ = 2143238806080. Its totient is φ = 178417374720.

The previous prime is 680216255749. The next prime is 680216255801. The reversal of 680216255760 is 67552612086.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23216790 + ... + 23246069.

It is an arithmetic number, because the mean of its divisors is an integer number (26790485076).

Almost surely, 2^680216255760 is an apocalyptic number.

680216255760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

680216255760 is an abundant number, since it is smaller than the sum of its proper divisors (1463022550320).

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

680216255760 is a wasteful number, since it uses less digits than its factorization.

680216255760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46462936 (or 46462930 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 680216255760 in words is "six hundred eighty billion, two hundred sixteen million, two hundred fifty-five thousand, seven hundred sixty".