16909096505 has 16 divisors (see below), whose sum is σ = 23197860864. Its totient is φ = 11590687680.

The previous prime is 16909096499. The next prime is 16909096513. The reversal of 16909096505 is 50569090961.

It is not a de Polignac number, because 16909096505 - 2²⁶ = 16841987641 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15704 + ... + 184566.

It is an arithmetic number, because the mean of its divisors is an integer number (1449866304).

Almost surely, 2^16909096505 is an apocalyptic number.

It is an amenable number.

16909096505 is a deficient number, since it is larger than the sum of its proper divisors (6288764359).

16909096505 is a wasteful number, since it uses less digits than its factorization.

16909096505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171736.

The product of its (nonzero) digits is 656100, while the sum is 50.

The spelling of 16909096505 in words is "sixteen billion, nine hundred nine million, ninety-six thousand, five hundred five".