16690118817 has 32 divisors (see below), whose sum is σ = 23117266944. Its totient is φ = 10703721600.

The previous prime is 16690118749. The next prime is 16690118873. The reversal of 16690118817 is 71881109661.

It is not a de Polignac number, because 16690118817 - 2¹⁰ = 16690117793 is a prime.

It is a super-3 number, since 3×16690118817³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (16690918817) 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, 4920192 + ... + 4923582.

It is an arithmetic number, because the mean of its divisors is an integer number (722414592).

Almost surely, 2^16690118817 is an apocalyptic number.

It is an amenable number.

16690118817 is a deficient number, since it is larger than the sum of its proper divisors (6427148127).

16690118817 is a wasteful number, since it uses less digits than its factorization.

16690118817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4029.

The product of its (nonzero) digits is 145152, while the sum is 48.

The spelling of 16690118817 in words is "sixteen billion, six hundred ninety million, one hundred eighteen thousand, eight hundred seventeen".