681346680141 has 8 divisors (see below), whose sum is σ = 908559846144. Its totient is φ = 454182317120.

The previous prime is 681346680121. The next prime is 681346680149. The reversal of 681346680141 is 141086643186.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 681346680141 - 2¹¹ = 681346678093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (681346680149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12168156 + ... + 12224021.

It is an arithmetic number, because the mean of its divisors is an integer number (113569980768).

Almost surely, 2^681346680141 is an apocalyptic number.

It is an amenable number.

681346680141 is a deficient number, since it is larger than the sum of its proper divisors (227213166003).

681346680141 is a wasteful number, since it uses less digits than its factorization.

681346680141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24401491.

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 681346680141 in words is "six hundred eighty-one billion, three hundred forty-six million, six hundred eighty thousand, one hundred forty-one".