4051326160681 has 2 divisors, whose sum is σ = 4051326160682. Its totient is φ = 4051326160680.

The previous prime is 4051326160657. The next prime is 4051326160747. The reversal of 4051326160681 is 1860616231504.

4051326160681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3670749446400 + 380576714281 = 1915920^2 + 616909^2 .

It is a cyclic number.

It is not a de Polignac number, because 4051326160681 - 2²⁹ = 4050789289769 is a prime.

It is a super-2 number, since 2×4051326160681² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4051326160381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2025663080340 + 2025663080341.

It is an arithmetic number, because the mean of its divisors is an integer number (2025663080341).

Almost surely, 2^{4051326160681} is an apocalyptic number.

It is an amenable number.

4051326160681 is a deficient number, since it is larger than the sum of its proper divisors (1).

4051326160681 is an equidigital number, since it uses as much as digits as its factorization.

4051326160681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 4051326160681 in words is "four trillion, fifty-one billion, three hundred twenty-six million, one hundred sixty thousand, six hundred eighty-one".