2141400161 has 2 divisors, whose sum is σ = 2141400162. Its totient is φ = 2141400160.

The previous prime is 2141400101. The next prime is 2141400167. The reversal of 2141400161 is 1610041412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1870995025 + 270405136 = 43255^2 + 16444^2 .

It is a cyclic number.

It is not a de Polignac number, because 2141400161 - 2¹⁸ = 2141138017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2141400167) 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 as a sum of consecutive naturals, namely, 1070700080 + 1070700081.

It is an arithmetic number, because the mean of its divisors is an integer number (1070700081).

Almost surely, 2^2141400161 is an apocalyptic number.

It is an amenable number.

2141400161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141400161 is an equidigital number, since it uses as much as digits as its factorization.

2141400161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 2141400161 is about 46275.2651099915. The cubic root of 2141400161 is about 1288.9397295115.

Adding to 2141400161 its reverse (1610041412), we get a palindrome (3751441573).

The spelling of 2141400161 in words is "two billion, one hundred forty-one million, four hundred thousand, one hundred sixty-one".