681675569200 has 60 divisors (see below), whose sum is σ = 1639050694240. Its totient is φ = 272449601280.

The previous prime is 681675569189. The next prime is 681675569231. The reversal of 681675569200 is 2965576186.

681675569200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 194040 + ... + 1183639.

Almost surely, 2^681675569200 is an apocalyptic number.

It is an amenable number.

681675569200 is an abundant number, since it is smaller than the sum of its proper divisors (957375125040).

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

681675569200 is a wasteful number, since it uses less digits than its factorization.

681675569200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378934 (or 1378923 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 681675569200 in words is "six hundred eighty-one billion, six hundred seventy-five million, five hundred sixty-nine thousand, two hundred".