70224254161 has 2 divisors, whose sum is σ = 70224254162. Its totient is φ = 70224254160.

The previous prime is 70224254153. The next prime is 70224254209. The reversal of 70224254161 is 16145242207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53531614161 + 16692640000 = 231369^2 + 129200^2 .

It is a cyclic number.

It is not a de Polignac number, because 70224254161 - 2³ = 70224254153 is a prime.

It is not a weakly prime, because it can be changed into another prime (70224254561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35112127080 + 35112127081.

It is an arithmetic number, because the mean of its divisors is an integer number (35112127081).

Almost surely, 2^70224254161 is an apocalyptic number.

It is an amenable number.

70224254161 is a deficient number, since it is larger than the sum of its proper divisors (1).

70224254161 is an equidigital number, since it uses as much as digits as its factorization.

70224254161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 34.

Adding to 70224254161 its reverse (16145242207), we get a palindrome (86369496368).

The spelling of 70224254161 in words is "seventy billion, two hundred twenty-four million, two hundred fifty-four thousand, one hundred sixty-one".