680181652 has 12 divisors (see below), whose sum is σ = 1193563840. Its totient is φ = 339163416.

The previous prime is 680181643. The next prime is 680181653. The reversal of 680181652 is 256181086.

680181652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680181653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230202 + ... + 233137.

Almost surely, 2^680181652 is an apocalyptic number.

It is an amenable number.

680181652 is a deficient number, since it is larger than the sum of its proper divisors (513382188).

680181652 is a wasteful number, since it uses less digits than its factorization.

680181652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463710 (or 463708 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 680181652 is about 26080.2924063362. The cubic root of 680181652 is about 879.4442306860. Note that the first 3 decimals are identical.

The spelling of 680181652 in words is "six hundred eighty million, one hundred eighty-one thousand, six hundred fifty-two".