20161327441717 has 32 divisors (see below), whose sum is σ = 25513710888960. Its totient is φ = 15474224335680.

The previous prime is 20161327441687. The next prime is 20161327441771. The reversal of 20161327441717 is 71714472316102.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-20161327441717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20161327444717) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57808143 + ... + 58155859.

It is an arithmetic number, because the mean of its divisors is an integer number (797303465280).

Almost surely, 2^{20161327441717} is an apocalyptic number.

It is an amenable number.

20161327441717 is a deficient number, since it is larger than the sum of its proper divisors (5352383447243).

20161327441717 is a wasteful number, since it uses less digits than its factorization.

20161327441717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359041.

The product of its (nonzero) digits is 395136, while the sum is 46.

Adding to 20161327441717 its reverse (71714472316102), we get a palindrome (91875799757819).

It can be divided in two parts, 201613 and 27441717, that added together give a triangular number (27643330 = T₇₄₃₅).

The spelling of 20161327441717 in words is "twenty trillion, one hundred sixty-one billion, three hundred twenty-seven million, four hundred forty-one thousand, seven hundred seventeen".