16163869 has 2 divisors, whose sum is σ = 16163870. Its totient is φ = 16163868.

The previous prime is 16163837. The next prime is 16163891. The reversal of 16163869 is 96836161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14341369 + 1822500 = 3787^2 + 1350^2 .

It is a cyclic number.

It is not a de Polignac number, because 16163869 - 2⁵ = 16163837 is a prime.

It is a super-2 number, since 2×16163869² = 522541322098322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16163899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8081934 + 8081935.

It is an arithmetic number, because the mean of its divisors is an integer number (8081935).

Almost surely, 2^16163869 is an apocalyptic number.

It is an amenable number.

16163869 is a deficient number, since it is larger than the sum of its proper divisors (1).

16163869 is an equidigital number, since it uses as much as digits as its factorization.

16163869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 40.

The square root of 16163869 is about 4020.4314445094. The cubic root of 16163869 is about 252.8415480518.

The spelling of 16163869 in words is "sixteen million, one hundred sixty-three thousand, eight hundred sixty-nine".