14405116681 has 8 divisors (see below), whose sum is σ = 14456289960. Its totient is φ = 14353976832.

The previous prime is 14405116639. The next prime is 14405116697. The reversal of 14405116681 is 18661150441.

It can be written as a sum of positive squares in 4 ways, for example, as 313290000 + 14091826681 = 17700^2 + 118709^2 .

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 14405116681 - 2⁹ = 14405116169 is a prime.

It is a super-2 number, since 2×14405116681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14405116681.

It is not an unprimeable number, because it can be changed into a prime (14405116601) 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, 1118205 + ... + 1131013.

It is an arithmetic number, because the mean of its divisors is an integer number (1807036245).

Almost surely, 2^14405116681 is an apocalyptic number.

It is an amenable number.

14405116681 is a deficient number, since it is larger than the sum of its proper divisors (51173279).

14405116681 is a wasteful number, since it uses less digits than its factorization.

14405116681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16715.

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 14405116681 in words is "fourteen billion, four hundred five million, one hundred sixteen thousand, six hundred eighty-one".