16696128459 has 16 divisors (see below), whose sum is σ = 23004262400. Its totient is φ = 10760143680.

The previous prime is 16696128433. The next prime is 16696128517. The reversal of 16696128459 is 95482169661.

It is not a de Polignac number, because 16696128459 - 2²⁰ = 16695079883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16696128399 and 16696128408.

It is not an unprimeable number, because it can be changed into a prime (16696128259) 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, 8659 + ... + 182940.

It is an arithmetic number, because the mean of its divisors is an integer number (1437766400).

Almost surely, 2^16696128459 is an apocalyptic number.

16696128459 is a deficient number, since it is larger than the sum of its proper divisors (6308133941).

16696128459 is a wasteful number, since it uses less digits than its factorization.

16696128459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192570.

The product of its digits is 5598720, while the sum is 57.

The spelling of 16696128459 in words is "sixteen billion, six hundred ninety-six million, one hundred twenty-eight thousand, four hundred fifty-nine".