16434305169 has 4 divisors (see below), whose sum is σ = 21912406896. Its totient is φ = 10956203444.

The previous prime is 16434305131. The next prime is 16434305197. The reversal of 16434305169 is 96150343461.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 16434305169 - 2²¹ = 16432208017 is a prime.

It is a super-2 number, since 2×16434305169² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16434305169.

It is not an unprimeable number, because it can be changed into a prime (16434305669) 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, 2739050859 + ... + 2739050864.

It is an arithmetic number, because the mean of its divisors is an integer number (5478101724).

Almost surely, 2^16434305169 is an apocalyptic number.

It is an amenable number.

16434305169 is a deficient number, since it is larger than the sum of its proper divisors (5478101727).

16434305169 is an equidigital number, since it uses as much as digits as its factorization.

16434305169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5478101726.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 16434305169 in words is "sixteen billion, four hundred thirty-four million, three hundred five thousand, one hundred sixty-nine".