8416165 has 4 divisors (see below), whose sum is σ = 10099404. Its totient is φ = 6732928.

The previous prime is 8416147. The next prime is 8416171. The reversal of 8416165 is 5616148.

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 6563844 + 1852321 = 2562^2 + 1361^2 .

It is a cyclic number.

It is not a de Polignac number, because 8416165 - 2⁹ = 8415653 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841612 + ... + 841621.

It is an arithmetic number, because the mean of its divisors is an integer number (2524851).

Almost surely, 2^8416165 is an apocalyptic number.

It is an amenable number.

8416165 is a deficient number, since it is larger than the sum of its proper divisors (1683239).

8416165 is a wasteful number, since it uses less digits than its factorization.

8416165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683238.

The product of its digits is 5760, while the sum is 31.

The square root of 8416165 is about 2901.0627363089. The cubic root of 8416165 is about 203.4095850059.

The spelling of 8416165 in words is "eight million, four hundred sixteen thousand, one hundred sixty-five".