1609163 has 2 divisors, whose sum is σ = 1609164. Its totient is φ = 1609162.

The previous prime is 1609147. The next prime is 1609177. The reversal of 1609163 is 3619061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1609163 - 2⁴ = 1609147 is a prime.

It is a Chen prime.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (1609193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804581 + 804582.

It is an arithmetic number, because the mean of its divisors is an integer number (804582).

2^1609163 is an apocalyptic number.

1609163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1609163 is an equidigital number, since it uses as much as digits as its factorization.

1609163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 1609163 is about 1268.5278869619. The cubic root of 1609163 is about 117.1835577815.

The spelling of 1609163 in words is "one million, six hundred nine thousand, one hundred sixty-three".