223199880161 has 2 divisors, whose sum is σ = 223199880162. Its totient is φ = 223199880160.

The previous prime is 223199880143. The next prime is 223199880193. The reversal of 223199880161 is 161088991322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181407846400 + 41792033761 = 425920^2 + 204431^2 .

It is a cyclic number.

It is not a de Polignac number, because 223199880161 - 2¹⁸ = 223199618017 is a prime.

It is a super-3 number, since 3×223199880161³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (223199880961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111599940080 + 111599940081.

It is an arithmetic number, because the mean of its divisors is an integer number (111599940081).

Almost surely, 2^223199880161 is an apocalyptic number.

It is an amenable number.

223199880161 is a deficient number, since it is larger than the sum of its proper divisors (1).

223199880161 is an equidigital number, since it uses as much as digits as its factorization.

223199880161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 50.

The spelling of 223199880161 in words is "two hundred twenty-three billion, one hundred ninety-nine million, eight hundred eighty thousand, one hundred sixty-one".