916165 has 8 divisors (see below), whose sum is σ = 1111320. Its totient is φ = 724992.

The previous prime is 916141. The next prime is 916169. The reversal of 916165 is 561619.

It can be written as a sum of positive squares in 4 ways, for example, as 73441 + 842724 = 271^2 + 918^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 916165 - 2¹¹ = 914117 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460 + ... + 1429.

It is an arithmetic number, because the mean of its divisors is an integer number (138915).

2⁹¹⁶¹⁶⁵ is an apocalyptic number.

It is an amenable number.

916165 is a deficient number, since it is larger than the sum of its proper divisors (195155).

916165 is a wasteful number, since it uses less digits than its factorization.

916165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991.

The product of its digits is 1620, while the sum is 28.

The square root of 916165 is about 957.1650850297. The cubic root of 916165 is about 97.1235538964.

It can be divided in two parts, 916 and 165, that added together give a triangular number (1081 = T₄₆).

The spelling of 916165 in words is "nine hundred sixteen thousand, one hundred sixty-five".