681882596 has 6 divisors (see below), whose sum is σ = 1193294550. Its totient is φ = 340941296.

The previous prime is 681882511. The next prime is 681882623. The reversal of 681882596 is 695288186.

It can be written as a sum of positive squares in only one way, i.e., 587092900 + 94789696 = 24230^2 + 9736^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85235321 + ... + 85235328.

It is an arithmetic number, because the mean of its divisors is an integer number (198882425).

Almost surely, 2^681882596 is an apocalyptic number.

It is an amenable number.

681882596 is a deficient number, since it is larger than the sum of its proper divisors (511411954).

681882596 is a wasteful number, since it uses less digits than its factorization.

681882596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170470653 (or 170470651 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 53.

The square root of 681882596 is about 26112.8818019000. The cubic root of 681882596 is about 880.1767017753.

The spelling of 681882596 in words is "six hundred eighty-one million, eight hundred eighty-two thousand, five hundred ninety-six".