16000169 has 4 divisors (see below), whose sum is σ = 16432644. Its totient is φ = 15567696.

The previous prime is 16000133. The next prime is 16000183. The reversal of 16000169 is 96100061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14348944 + 1651225 = 3788^2 + 1285^2 .

It is a cyclic number.

It is not a de Polignac number, because 16000169 - 2¹² = 15996073 is a prime.

It is a super-2 number, since 2×16000169² = 512010816057122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16000129) 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 in 3 ways as a sum of consecutive naturals, for example, 216182 + ... + 216255.

It is an arithmetic number, because the mean of its divisors is an integer number (4108161).

Almost surely, 2^16000169 is an apocalyptic number.

It is an amenable number.

16000169 is a deficient number, since it is larger than the sum of its proper divisors (432475).

16000169 is an equidigital number, since it uses as much as digits as its factorization.

16000169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432474.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 16000169 is about 4000.0211249442. The cubic root of 16000169 is about 251.9850971703.

The spelling of 16000169 in words is "sixteen million, one hundred sixty-nine", and thus it is an aban number.