16165349 has 4 divisors (see below), whose sum is σ = 16179180. Its totient is φ = 16151520.

The previous prime is 16165327. The next prime is 16165361. The reversal of 16165349 is 94356161.

16165349 is nontrivially palindromic in base 12.

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 13557124 + 2608225 = 3682^2 + 1615^2 .

It is a cyclic number.

It is not a de Polignac number, because 16165349 - 2¹² = 16161253 is a prime.

It is a super-2 number, since 2×16165349² = 522637016583602, 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 (16165319) 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, 4982 + ... + 7559.

It is an arithmetic number, because the mean of its divisors is an integer number (4044795).

Almost surely, 2^16165349 is an apocalyptic number.

It is an amenable number.

16165349 is a deficient number, since it is larger than the sum of its proper divisors (13831).

16165349 is a wasteful number, since it uses less digits than its factorization.

16165349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13830.

The product of its digits is 19440, while the sum is 35.

The square root of 16165349 is about 4020.6155001442. The cubic root of 16165349 is about 252.8492647289.

The spelling of 16165349 in words is "sixteen million, one hundred sixty-five thousand, three hundred forty-nine".