163814089 has 2 divisors, whose sum is σ = 163814090. Its totient is φ = 163814088.

The previous prime is 163814087. The next prime is 163814099. The reversal of 163814089 is 980418361.

163814089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159264400 + 4549689 = 12620^2 + 2133^2 .

It is a cyclic number.

It is not a de Polignac number, because 163814089 - 2¹ = 163814087 is a prime.

Together with 163814087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (163814081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81907044 + 81907045.

It is an arithmetic number, because the mean of its divisors is an integer number (81907045).

Almost surely, 2^163814089 is an apocalyptic number.

It is an amenable number.

163814089 is a deficient number, since it is larger than the sum of its proper divisors (1).

163814089 is an equidigital number, since it uses as much as digits as its factorization.

163814089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 163814089 is about 12798.9878115420. The cubic root of 163814089 is about 547.1634555911.

The spelling of 163814089 in words is "one hundred sixty-three million, eight hundred fourteen thousand, eighty-nine".