161788063 has 2 divisors, whose sum is σ = 161788064. Its totient is φ = 161788062.

The previous prime is 161788057. The next prime is 161788069. The reversal of 161788063 is 360887161.

161788063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (161788057) and next prime (161788069).

It is an emirp because it is prime and its reverse (360887161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 161788063 - 2⁹ = 161787551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161788069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80894031 + 80894032.

It is an arithmetic number, because the mean of its divisors is an integer number (80894032).

Almost surely, 2^161788063 is an apocalyptic number.

161788063 is a deficient number, since it is larger than the sum of its proper divisors (1).

161788063 is an equidigital number, since it uses as much as digits as its factorization.

161788063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 161788063 is about 12719.5936648935. The cubic root of 161788063 is about 544.8983487435.

The spelling of 161788063 in words is "one hundred sixty-one million, seven hundred eighty-eight thousand, sixty-three".