402200000161 has 2 divisors, whose sum is σ = 402200000162. Its totient is φ = 402200000160.

The previous prime is 402200000107. The next prime is 402200000173. The reversal of 402200000161 is 161000002204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 273089856400 + 129110143761 = 522580^2 + 359319^2 .

It is a cyclic number.

It is not a de Polignac number, because 402200000161 - 2¹⁷ = 402199869089 is a prime.

It is not a weakly prime, because it can be changed into another prime (402200000261) 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, 201100000080 + 201100000081.

It is an arithmetic number, because the mean of its divisors is an integer number (201100000081).

Almost surely, 2^402200000161 is an apocalyptic number.

It is an amenable number.

402200000161 is a deficient number, since it is larger than the sum of its proper divisors (1).

402200000161 is an equidigital number, since it uses as much as digits as its factorization.

402200000161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 402200000161 its reverse (161000002204), we get a palindrome (563200002365).

The spelling of 402200000161 in words is "four hundred two billion, two hundred million, one hundred sixty-one", and thus it is an aban number.