4161411081 has 9 divisors (see below), whose sum is σ = 6011206669. Its totient is φ = 2774145036.

The previous prime is 4161411029. The next prime is 4161411083. The reversal of 4161411081 is 1801141614.

The square root of 4161411081 is 64509.

It is a perfect power (a square), and thus also a powerful number.

4161411081 is a `hidden beast` number, since 41 + 614 + 1 + 1 + 0 + 8 + 1 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is a de Polignac number, because none of the positive numbers 2^k-4161411081 is a prime.

It is a super-3 number, since 3×4161411081³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4161411083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 182776 + ... + 204278.

Almost surely, 2^4161411081 is an apocalyptic number.

4161411081 is the 64509-th square number.

4161411081 is the 32255-th centered octagonal number.

It is an amenable number.

4161411081 is a deficient number, since it is larger than the sum of its proper divisors (1849795588).

4161411081 is an frugal number, since it uses more digits than its factorization.

4161411081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43012 (or 21506 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The cubic root of 4161411081 is about 1608.4721280622.

Adding to 4161411081 its reverse (1801141614), we get a palindrome (5962552695).

The spelling of 4161411081 in words is "four billion, one hundred sixty-one million, four hundred eleven thousand, eighty-one".