16139450173 has 32 divisors (see below), whose sum is σ = 20431337472. Its totient is φ = 12384187200.

The previous prime is 16139450167. The next prime is 16139450183. The reversal of 16139450173 is 37105493161.

It is not a de Polignac number, because 16139450173 - 2⁵ = 16139450141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16139450143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1429890 + ... + 1441132.

It is an arithmetic number, because the mean of its divisors is an integer number (638479296).

Almost surely, 2^16139450173 is an apocalyptic number.

It is an amenable number.

16139450173 is a deficient number, since it is larger than the sum of its proper divisors (4291887299).

16139450173 is a wasteful number, since it uses less digits than its factorization.

16139450173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11545.

The product of its (nonzero) digits is 68040, while the sum is 40.

The spelling of 16139450173 in words is "sixteen billion, one hundred thirty-nine million, four hundred fifty thousand, one hundred seventy-three".