680745016 has 16 divisors (see below), whose sum is σ = 1458739440. Its totient is φ = 291747840.

The previous prime is 680744993. The next prime is 680745029. The reversal of 680745016 is 610547086.

It is a super-4 number, since 4×680745016⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6078025 + ... + 6078136.

It is an arithmetic number, because the mean of its divisors is an integer number (91171215).

Almost surely, 2^680745016 is an apocalyptic number.

It is an amenable number.

680745016 is an abundant number, since it is smaller than the sum of its proper divisors (777994424).

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

680745016 is a wasteful number, since it uses less digits than its factorization.

680745016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12156174 (or 12156170 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 680745016 is about 26091.0907399442. The cubic root of 680745016 is about 879.6869651063.

The spelling of 680745016 in words is "six hundred eighty million, seven hundred forty-five thousand, sixteen".