680660582 has 8 divisors (see below), whose sum is σ = 1166846736. Its totient is φ = 291711672.

The previous prime is 680660549. The next prime is 680660623. The reversal of 680660582 is 285066086.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 24309293 + ... + 24309320.

It is an arithmetic number, because the mean of its divisors is an integer number (145855842).

Almost surely, 2^680660582 is an apocalyptic number.

680660582 is a deficient number, since it is larger than the sum of its proper divisors (486186154).

680660582 is a wasteful number, since it uses less digits than its factorization.

680660582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48618622.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 680660582 is about 26089.4726278628. The cubic root of 680660582 is about 879.6505938960.

The spelling of 680660582 in words is "six hundred eighty million, six hundred sixty thousand, five hundred eighty-two".