722121118163 has 2 divisors, whose sum is σ = 722121118164. Its totient is φ = 722121118162.

The previous prime is 722121118153. The next prime is 722121118193. The reversal of 722121118163 is 361811121227.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 722121118163 - 2⁶ = 722121118099 is a prime.

It is not a weakly prime, because it can be changed into another prime (722121118153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361060559081 + 361060559082.

It is an arithmetic number, because the mean of its divisors is an integer number (361060559082).

Almost surely, 2^722121118163 is an apocalyptic number.

722121118163 is a deficient number, since it is larger than the sum of its proper divisors (1).

722121118163 is an equidigital number, since it uses as much as digits as its factorization.

722121118163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 35.

The spelling of 722121118163 in words is "seven hundred twenty-two billion, one hundred twenty-one million, one hundred eighteen thousand, one hundred sixty-three".