163400227 has 2 divisors, whose sum is σ = 163400228. Its totient is φ = 163400226.

The previous prime is 163400213. The next prime is 163400231. The reversal of 163400227 is 722004361.

163400227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163400227 is a prime.

It is not a weakly prime, because it can be changed into another prime (163400927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81700113 + 81700114.

It is an arithmetic number, because the mean of its divisors is an integer number (81700114).

Almost surely, 2^163400227 is an apocalyptic number.

163400227 is a deficient number, since it is larger than the sum of its proper divisors (1).

163400227 is an equidigital number, since it uses as much as digits as its factorization.

163400227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 163400227 is about 12782.8098241349. The cubic root of 163400227 is about 546.7022800928.

Adding to 163400227 its reverse (722004361), we get a palindrome (885404588).

The spelling of 163400227 in words is "one hundred sixty-three million, four hundred thousand, two hundred twenty-seven".