2085168601 has 2 divisors, whose sum is σ = 2085168602. Its totient is φ = 2085168600.

The previous prime is 2085168587. The next prime is 2085168637. The reversal of 2085168601 is 1068615802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1123858576 + 961310025 = 33524^2 + 31005^2 .

It is a cyclic number.

It is not a de Polignac number, because 2085168601 - 2¹⁷ = 2085037529 is a prime.

It is not a weakly prime, because it can be changed into another prime (2085168691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1042584300 + 1042584301.

It is an arithmetic number, because the mean of its divisors is an integer number (1042584301).

Almost surely, 2^2085168601 is an apocalyptic number.

It is an amenable number.

2085168601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2085168601 is an equidigital number, since it uses as much as digits as its factorization.

2085168601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 2085168601 is about 45663.6463830912. The cubic root of 2085168601 is about 1277.5573126964.

The spelling of 2085168601 in words is "two billion, eighty-five million, one hundred sixty-eight thousand, six hundred one".