4115660206681 has 9 divisors (see below), whose sum is σ = 4127886845173. Its totient is φ = 4103469694300.

The previous prime is 4115660206607. The next prime is 4115660206753. The reversal of 4115660206681 is 1866020665114.

The square root of 4115660206681 is 2028709.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 4115660206681 - 2⁹ = 4115660206169 is a prime.

It is a super-2 number, since 2×4115660206681² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4115660206381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 728303706 + ... + 728309356.

Almost surely, 2^{4115660206681} is an apocalyptic number.

4115660206681 is the 2028709-th square number.

4115660206681 is the 1014355-th centered octagonal number.

It is an amenable number.

4115660206681 is a deficient number, since it is larger than the sum of its proper divisors (12226638492).

4115660206681 is an frugal number, since it uses more digits than its factorization.

4115660206681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12020 (or 6010 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 4115660206681 in words is "four trillion, one hundred fifteen billion, six hundred sixty million, two hundred six thousand, six hundred eighty-one".