16795565 has 4 divisors (see below), whose sum is σ = 20154684. Its totient is φ = 13436448.

The previous prime is 16795549. The next prime is 16795567. The reversal of 16795565 is 56559761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56559761 = 2549 ⋅22189.

It can be written as a sum of positive squares in 2 ways, for example, as 9320809 + 7474756 = 3053^2 + 2734^2 .

It is a cyclic number.

It is not a de Polignac number, because 16795565 - 2⁴ = 16795549 is a prime.

It is a super-3 number, since 3×16795565³ (a number of 23 digits) contains 333 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 (16795567) 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, 1679552 + ... + 1679561.

It is an arithmetic number, because the mean of its divisors is an integer number (5038671).

Almost surely, 2^16795565 is an apocalyptic number.

It is an amenable number.

16795565 is a deficient number, since it is larger than the sum of its proper divisors (3359119).

16795565 is an equidigital number, since it uses as much as digits as its factorization.

16795565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359118.

The product of its digits is 283500, while the sum is 44.

The square root of 16795565 is about 4098.2392560708. The cubic root of 16795565 is about 256.0932938371.

The spelling of 16795565 in words is "sixteen million, seven hundred ninety-five thousand, five hundred sixty-five".