16434044757671 has 8 divisors (see below), whose sum is σ = 16603890960624. Its totient is φ = 16264871213760.

The previous prime is 16434044757619. The next prime is 16434044757677. The reversal of 16434044757671 is 17675744043461.

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 16434044757671 - 2¹⁴ = 16434044741287 is a prime.

It is a super-2 number, since 2×16434044757671² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16434044757671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16434044757677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168115646 + ... + 168213371.

It is an arithmetic number, because the mean of its divisors is an integer number (2075486370078).

Almost surely, 2^{16434044757671} is an apocalyptic number.

16434044757671 is a deficient number, since it is larger than the sum of its proper divisors (169846202953).

16434044757671 is a wasteful number, since it uses less digits than its factorization.

16434044757671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336329521.

The product of its (nonzero) digits is 47416320, while the sum is 59.

The spelling of 16434044757671 in words is "sixteen trillion, four hundred thirty-four billion, forty-four million, seven hundred fifty-seven thousand, six hundred seventy-one".