16497365 has 8 divisors (see below), whose sum is σ = 19866168. Its totient is φ = 13151680.

The previous prime is 16497353. The next prime is 16497373. The reversal of 16497365 is 56379461.

It can be written as a sum of positive squares in 4 ways, for example, as 10804369 + 5692996 = 3287^2 + 2386^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16497365 - 2²⁰ = 15448789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4166 + ... + 7095.

It is an arithmetic number, because the mean of its divisors is an integer number (2483271).

Almost surely, 2^16497365 is an apocalyptic number.

It is an amenable number.

16497365 is a deficient number, since it is larger than the sum of its proper divisors (3368803).

16497365 is a wasteful number, since it uses less digits than its factorization.

16497365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11559.

The product of its digits is 136080, while the sum is 41.

The square root of 16497365 is about 4061.6948432889. The cubic root of 16497365 is about 254.5686157612.

The spelling of 16497365 in words is "sixteen million, four hundred ninety-seven thousand, three hundred sixty-five".