681095616886 has 16 divisors (see below), whose sum is σ = 1025200194480. Its totient is φ = 339362714880.

The previous prime is 681095616863. The next prime is 681095616983. The reversal of 681095616886 is 688616590186.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2678850 + ... + 2922058.

It is an arithmetic number, because the mean of its divisors is an integer number (64075012155).

Almost surely, 2^681095616886 is an apocalyptic number.

681095616886 is a deficient number, since it is larger than the sum of its proper divisors (344104577594).

681095616886 is a wasteful number, since it uses less digits than its factorization.

681095616886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248079.

The product of its (nonzero) digits is 29859840, while the sum is 64.

The spelling of 681095616886 in words is "six hundred eighty-one billion, ninety-five million, six hundred sixteen thousand, eight hundred eighty-six".