41721360092161 has 8 divisors (see below), whose sum is σ = 42592069454760. Its totient is φ = 40853743836672.

The previous prime is 41721360092117. The next prime is 41721360092207. The reversal of 41721360092161 is 16129006312714.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7257932343025 + 34463427749136 = 2694055^2 + 5870556^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 41721360092161 - 2⁷ = 41721360092033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41721360092761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773249520 + ... + 773303473.

It is an arithmetic number, because the mean of its divisors is an integer number (5324008681845).

Almost surely, 2^{41721360092161} is an apocalyptic number.

It is an amenable number.

41721360092161 is a deficient number, since it is larger than the sum of its proper divisors (870709362599).

41721360092161 is a wasteful number, since it uses less digits than its factorization.

41721360092161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546553555.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 41721360092161 in words is "forty-one trillion, seven hundred twenty-one billion, three hundred sixty million, ninety-two thousand, one hundred sixty-one".