2016166112171 has 4 divisors (see below), whose sum is σ = 2018621857344. Its totient is φ = 2013710367000.

The previous prime is 2016166112153. The next prime is 2016166112189. The reversal of 2016166112171 is 1712116616102.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2016166112153) and next prime (2016166112189).

It is a cyclic number.

It is not a de Polignac number, because 2016166112171 - 2³⁸ = 1741288205227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2016166118171) 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, 1227871355 + ... + 1227872996.

It is an arithmetic number, because the mean of its divisors is an integer number (504655464336).

Almost surely, 2^{2016166112171} is an apocalyptic number.

2016166112171 is a deficient number, since it is larger than the sum of its proper divisors (2455745173).

2016166112171 is an equidigital number, since it uses as much as digits as its factorization.

2016166112171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455745172.

The product of its (nonzero) digits is 6048, while the sum is 35.

The spelling of 2016166112171 in words is "two trillion, sixteen billion, one hundred sixty-six million, one hundred twelve thousand, one hundred seventy-one".