16343669 has 4 divisors (see below), whose sum is σ = 16611660. Its totient is φ = 16075680.

The previous prime is 16343659. The next prime is 16343683. The reversal of 16343669 is 96634361.

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 8008900 + 8334769 = 2830^2 + 2887^2 .

It is a cyclic number.

It is not a de Polignac number, because 16343669 - 2⁴ = 16343653 is a prime.

It is a super-2 number, since 2×16343669² = 534231032763122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16343659) 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, 133904 + ... + 134025.

It is an arithmetic number, because the mean of its divisors is an integer number (4152915).

Almost surely, 2^16343669 is an apocalyptic number.

It is an amenable number.

16343669 is a deficient number, since it is larger than the sum of its proper divisors (267991).

16343669 is an equidigital number, since it uses as much as digits as its factorization.

16343669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267990.

The product of its digits is 69984, while the sum is 38.

The square root of 16343669 is about 4042.7303892295. The cubic root of 16343669 is about 253.7755938497.

The spelling of 16343669 in words is "sixteen million, three hundred forty-three thousand, six hundred sixty-nine".