16918005269 has 16 divisors (see below), whose sum is σ = 18936867840. Its totient is φ = 14981243760.

The previous prime is 16918005253. The next prime is 16918005323. The reversal of 16918005269 is 96250081961.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16918005269 - 2⁴ = 16918005253 is a prime.

It is a super-2 number, since 2×16918005269² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16918005869) 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, 124862 + ... + 222320.

It is an arithmetic number, because the mean of its divisors is an integer number (1183554240).

Almost surely, 2^16918005269 is an apocalyptic number.

It is an amenable number.

16918005269 is a deficient number, since it is larger than the sum of its proper divisors (2018862571).

16918005269 is a wasteful number, since it uses less digits than its factorization.

16918005269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97880.

The product of its (nonzero) digits is 233280, while the sum is 47.

The spelling of 16918005269 in words is "sixteen billion, nine hundred eighteen million, five thousand, two hundred sixty-nine".