16171471859 has 16 divisors (see below), whose sum is σ = 16837617600. Its totient is φ = 15518283264.

The previous prime is 16171471847. The next prime is 16171471931. The reversal of 16171471859 is 95817417161.

It is a cyclic number.

It is not a de Polignac number, because 16171471859 - 2²⁴ = 16154694643 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16171471819) 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, 1340834 + ... + 1352840.

It is an arithmetic number, because the mean of its divisors is an integer number (1052351100).

Almost surely, 2^16171471859 is an apocalyptic number.

16171471859 is a deficient number, since it is larger than the sum of its proper divisors (666145741).

16171471859 is a wasteful number, since it uses less digits than its factorization.

16171471859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12542.

The product of its digits is 423360, while the sum is 50.

The spelling of 16171471859 in words is "sixteen billion, one hundred seventy-one million, four hundred seventy-one thousand, eight hundred fifty-nine".