4161171726 has 48 divisors (see below), whose sum is σ = 9329973120. Its totient is φ = 1338958080.

The previous prime is 4161171697. The next prime is 4161171727. The reversal of 4161171726 is 6271711614.

4161171726 is a `hidden beast` number, since 4 + 1 + 611 + 7 + 17 + 26 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161171727) 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, 219106 + ... + 237338.

It is an arithmetic number, because the mean of its divisors is an integer number (194374440).

Almost surely, 2^4161171726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4161171726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4664986560).

4161171726 is an abundant number, since it is smaller than the sum of its proper divisors (5168801394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4161171726 is a wasteful number, since it uses less digits than its factorization.

4161171726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18681 (or 18678 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 4161171726 is about 64507.1447670721. The cubic root of 4161171726 is about 1608.4412889053.

The spelling of 4161171726 in words is "four billion, one hundred sixty-one million, one hundred seventy-one thousand, seven hundred twenty-six".