200223451665161 has 2 divisors, whose sum is σ = 200223451665162. Its totient is φ = 200223451665160.

The previous prime is 200223451665131. The next prime is 200223451665191. The reversal of 200223451665161 is 161566154322002.

It is a balanced prime because it is at equal distance from previous prime (200223451665131) and next prime (200223451665191).

It can be written as a sum of positive squares in only one way, i.e., 123433633184761 + 76789818480400 = 11110069^2 + 8762980^2 .

It is a cyclic number.

It is not a de Polignac number, because 200223451665161 - 2¹⁴ = 200223451648777 is a prime.

It is a super-2 number, since 2×200223451665161² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200223451665131) 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, 100111725832580 + 100111725832581.

It is an arithmetic number, because the mean of its divisors is an integer number (100111725832581).

Almost surely, 2^{200223451665161} is an apocalyptic number.

It is an amenable number.

200223451665161 is a deficient number, since it is larger than the sum of its proper divisors (1).

200223451665161 is an equidigital number, since it uses as much as digits as its factorization.

200223451665161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 200223451665161 in words is "two hundred trillion, two hundred twenty-three billion, four hundred fifty-one million, six hundred sixty-five thousand, one hundred sixty-one".