16725724143 has 4 divisors (see below), whose sum is σ = 22300965528. Its totient is φ = 11150482760.

The previous prime is 16725724121. The next prime is 16725724151. The reversal of 16725724143 is 34142752761.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16725724143 - 2⁶ = 16725724079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16725724095 and 16725724104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16725724243) 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 3 ways as a sum of consecutive naturals, for example, 2787620688 + ... + 2787620693.

It is an arithmetic number, because the mean of its divisors is an integer number (5575241382).

Almost surely, 2^16725724143 is an apocalyptic number.

16725724143 is a deficient number, since it is larger than the sum of its proper divisors (5575241385).

16725724143 is an equidigital number, since it uses as much as digits as its factorization.

16725724143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5575241384.

The product of its digits is 282240, while the sum is 42.

The spelling of 16725724143 in words is "sixteen billion, seven hundred twenty-five million, seven hundred twenty-four thousand, one hundred forty-three".