681336355882 has 32 divisors (see below), whose sum is σ = 1257910843392. Its totient is φ = 269526991104.

The previous prime is 681336355853. The next prime is 681336355927. The reversal of 681336355882 is 288553633186.

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, 4432018 + ... + 4583170.

It is an arithmetic number, because the mean of its divisors is an integer number (39309713856).

Almost surely, 2^681336355882 is an apocalyptic number.

681336355882 is a deficient number, since it is larger than the sum of its proper divisors (576574487510).

681336355882 is a wasteful number, since it uses less digits than its factorization.

681336355882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175942.

The product of its digits is 24883200, while the sum is 58.

The spelling of 681336355882 in words is "six hundred eighty-one billion, three hundred thirty-six million, three hundred fifty-five thousand, eight hundred eighty-two".