16466829209 has 4 divisors (see below), whose sum is σ = 16998017280. Its totient is φ = 15935641140.

The previous prime is 16466829191. The next prime is 16466829233. The reversal of 16466829209 is 90292866461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 16466829209 - 2³² = 12171861913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16466829809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265593989 + ... + 265594050.

It is an arithmetic number, because the mean of its divisors is an integer number (4249504320).

Almost surely, 2^16466829209 is an apocalyptic number.

It is an amenable number.

16466829209 is a deficient number, since it is larger than the sum of its proper divisors (531188071).

16466829209 is an equidigital number, since it uses as much as digits as its factorization.

16466829209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531188070.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 16466829209 in words is "sixteen billion, four hundred sixty-six million, eight hundred twenty-nine thousand, two hundred nine".