14160558721 has 4 divisors (see below), whose sum is σ = 14505938244. Its totient is φ = 13815179200.

The previous prime is 14160558707. The next prime is 14160558757. The reversal of 14160558721 is 12785506141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12785506141 = 1129 ⋅11324629.

It can be written as a sum of positive squares in 2 ways, for example, as 1981229121 + 12179329600 = 44511^2 + 110360^2 .

It is a cyclic number.

It is not a de Polignac number, because 14160558721 - 2⁷ = 14160558593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14160558521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172689700 + ... + 172689781.

It is an arithmetic number, because the mean of its divisors is an integer number (3626484561).

Almost surely, 2^14160558721 is an apocalyptic number.

It is an amenable number.

14160558721 is a deficient number, since it is larger than the sum of its proper divisors (345379523).

14160558721 is an equidigital number, since it uses as much as digits as its factorization.

14160558721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345379522.

The product of its (nonzero) digits is 67200, while the sum is 40.

The spelling of 14160558721 in words is "fourteen billion, one hundred sixty million, five hundred fifty-eight thousand, seven hundred twenty-one".