16067969 has 4 divisors (see below), whose sum is σ = 16076544. Its totient is φ = 16059396.

The previous prime is 16067963. The next prime is 16067981. The reversal of 16067969 is 96976061.

It is a happy number.

16067969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 16067969 - 2¹⁶ = 16002433 is a prime.

It is a super-2 number, since 2×16067969² = 516359255569922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16067963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137 + ... + 5670.

It is an arithmetic number, because the mean of its divisors is an integer number (4019136).

Almost surely, 2^16067969 is an apocalyptic number.

It is an amenable number.

16067969 is a deficient number, since it is larger than the sum of its proper divisors (8575).

16067969 is an equidigital number, since it uses as much as digits as its factorization.

16067969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8574.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 16067969 is about 4008.4871210969. The cubic root of 16067969 is about 252.3405208017.

The spelling of 16067969 in words is "sixteen million, sixty-seven thousand, nine hundred sixty-nine".