2160801723601 has 2 divisors, whose sum is σ = 2160801723602. Its totient is φ = 2160801723600.

The previous prime is 2160801723559. The next prime is 2160801723607. The reversal of 2160801723601 is 1063271080612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1989735936400 + 171065787201 = 1410580^2 + 413601^2 .

It is a cyclic number.

It is not a de Polignac number, because 2160801723601 - 2¹¹ = 2160801721553 is a prime.

It is not a weakly prime, because it can be changed into another prime (2160801723607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080400861800 + 1080400861801.

It is an arithmetic number, because the mean of its divisors is an integer number (1080400861801).

Almost surely, 2^{2160801723601} is an apocalyptic number.

It is an amenable number.

2160801723601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2160801723601 is an equidigital number, since it uses as much as digits as its factorization.

2160801723601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 2160801723601 in words is "two trillion, one hundred sixty billion, eight hundred one million, seven hundred twenty-three thousand, six hundred one".