202340280161 has 2 divisors, whose sum is σ = 202340280162. Its totient is φ = 202340280160.

The previous prime is 202340280091. The next prime is 202340280167. The reversal of 202340280161 is 161082043202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148687360000 + 53652920161 = 385600^2 + 231631^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202340280161 is a prime.

It is not a weakly prime, because it can be changed into another prime (202340280167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101170140080 + 101170140081.

It is an arithmetic number, because the mean of its divisors is an integer number (101170140081).

Almost surely, 2^202340280161 is an apocalyptic number.

It is an amenable number.

202340280161 is a deficient number, since it is larger than the sum of its proper divisors (1).

202340280161 is an equidigital number, since it uses as much as digits as its factorization.

202340280161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 202340280161 in words is "two hundred two billion, three hundred forty million, two hundred eighty thousand, one hundred sixty-one".