680146808 has 48 divisors (see below), whose sum is σ = 1425627000. Its totient is φ = 303892160.

The previous prime is 680146793. The next prime is 680146847. The reversal of 680146808 is 808641086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51158 + ... + 63066.

Almost surely, 2^680146808 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 680146808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (712813500).

680146808 is an abundant number, since it is smaller than the sum of its proper divisors (745480192).

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

680146808 is a wasteful number, since it uses less digits than its factorization.

680146808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11996 (or 11981 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 680146808 is about 26079.6243837982. The cubic root of 680146808 is about 879.4292131889.

The spelling of 680146808 in words is "six hundred eighty million, one hundred forty-six thousand, eight hundred eight".