14016661543 has 4 divisors (see below), whose sum is σ = 14105939800. Its totient is φ = 13927383288.

The previous prime is 14016661537. The next prime is 14016661573. The reversal of 14016661543 is 34516661041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34516661041 = 52379 ⋅658979.

It is a cyclic number.

It is not a de Polignac number, because 14016661543 - 2³³ = 5426726951 is a prime.

It is a super-2 number, since 2×14016661543² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14016661573) 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, 44638893 + ... + 44639206.

It is an arithmetic number, because the mean of its divisors is an integer number (3526484950).

Almost surely, 2^14016661543 is an apocalyptic number.

14016661543 is a deficient number, since it is larger than the sum of its proper divisors (89278257).

14016661543 is an equidigital number, since it uses as much as digits as its factorization.

14016661543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89278256.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 14016661543 in words is "fourteen billion, sixteen million, six hundred sixty-one thousand, five hundred forty-three".