16679939143 has 16 divisors (see below), whose sum is σ = 19699363840. Its totient is φ = 13820673600.

The previous prime is 16679939137. The next prime is 16679939167. The reversal of 16679939143 is 34193997661.

It is a cyclic number.

It is not a de Polignac number, because 16679939143 - 2⁹ = 16679938631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16679939173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157603 + ... + 241243.

It is an arithmetic number, because the mean of its divisors is an integer number (1231210240).

Almost surely, 2^16679939143 is an apocalyptic number.

16679939143 is a deficient number, since it is larger than the sum of its proper divisors (3019424697).

16679939143 is an equidigital number, since it uses as much as digits as its factorization.

16679939143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84598.

The product of its digits is 6613488, while the sum is 58.

The spelling of 16679939143 in words is "sixteen billion, six hundred seventy-nine million, nine hundred thirty-nine thousand, one hundred forty-three".