16495165 has 4 divisors (see below), whose sum is σ = 19794204. Its totient is φ = 13196128.

The previous prime is 16495159. The next prime is 16495169. The reversal of 16495165 is 56159461.

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 8508889 + 7986276 = 2917^2 + 2826^2 .

It is a cyclic number.

It is not a de Polignac number, because 16495165 - 2¹⁷ = 16364093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16495169) 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, 1649512 + ... + 1649521.

It is an arithmetic number, because the mean of its divisors is an integer number (4948551).

Almost surely, 2^16495165 is an apocalyptic number.

It is an amenable number.

16495165 is a deficient number, since it is larger than the sum of its proper divisors (3299039).

16495165 is an equidigital number, since it uses as much as digits as its factorization.

16495165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3299038.

The product of its digits is 32400, while the sum is 37.

The square root of 16495165 is about 4061.4240113537. The cubic root of 16495165 is about 254.5572992903.

The spelling of 16495165 in words is "sixteen million, four hundred ninety-five thousand, one hundred sixty-five".