16729643187 has 6 divisors (see below), whose sum is σ = 24165040172. Its totient is φ = 11153095452.

The previous prime is 16729643153. The next prime is 16729643207. The reversal of 16729643187 is 78134692761.

16729643187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16729643187 - 2¹¹ = 16729641139 is a prime.

It is a super-2 number, since 2×16729643187² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16729643137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 929424613 + ... + 929424630.

Almost surely, 2^16729643187 is an apocalyptic number.

16729643187 is a deficient number, since it is larger than the sum of its proper divisors (7435396985).

16729643187 is a wasteful number, since it uses less digits than its factorization.

16729643187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858849249 (or 1858849246 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The spelling of 16729643187 in words is "sixteen billion, seven hundred twenty-nine million, six hundred forty-three thousand, one hundred eighty-seven".