2016726171725 has 24 divisors (see below), whose sum is σ = 2507323241280. Its totient is φ = 1609136593920.

The previous prime is 2016726171683. The next prime is 2016726171727. The reversal of 2016726171725 is 5271716276102.

It is not a de Polignac number, because 2016726171725 - 2¹⁶ = 2016726106189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2016726171725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016726171727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32487917 + ... + 32549933.

It is an arithmetic number, because the mean of its divisors is an integer number (104471801720).

Almost surely, 2^{2016726171725} is an apocalyptic number.

2016726171725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2016726171725 is a deficient number, since it is larger than the sum of its proper divisors (490597069555).

2016726171725 is a wasteful number, since it uses less digits than its factorization.

2016726171725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65429 (or 65424 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 47.

The spelling of 2016726171725 in words is "two trillion, sixteen billion, seven hundred twenty-six million, one hundred seventy-one thousand, seven hundred twenty-five".