16434888505 has 8 divisors (see below), whose sum is σ = 22539275712. Its totient is φ = 11269637808.

The previous prime is 16434888473. The next prime is 16434888511. The reversal of 16434888505 is 50588843461.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16434888505 - 2⁵ = 16434888473 is a prime.

It is a super-2 number, since 2×16434888505² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234784087 + ... + 234784156.

It is an arithmetic number, because the mean of its divisors is an integer number (2817409464).

Almost surely, 2^16434888505 is an apocalyptic number.

It is an amenable number.

16434888505 is a deficient number, since it is larger than the sum of its proper divisors (6104387207).

16434888505 is an equidigital number, since it uses as much as digits as its factorization.

16434888505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469568255.

The product of its (nonzero) digits is 3686400, while the sum is 52.

The spelling of 16434888505 in words is "sixteen billion, four hundred thirty-four million, eight hundred eighty-eight thousand, five hundred five".