16852817 has 4 divisors (see below), whose sum is σ = 17007540. Its totient is φ = 16698096.

The previous prime is 16852811. The next prime is 16852841. The reversal of 16852817 is 71825861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71825861 = 2671 ⋅26891.

It can be written as a sum of positive squares in 2 ways, for example, as 5837056 + 11015761 = 2416^2 + 3319^2 .

It is a cyclic number.

It is not a de Polignac number, because 16852817 - 2²⁰ = 15804241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16852811) 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, 77198 + ... + 77415.

It is an arithmetic number, because the mean of its divisors is an integer number (4251885).

Almost surely, 2^16852817 is an apocalyptic number.

It is an amenable number.

16852817 is a deficient number, since it is larger than the sum of its proper divisors (154723).

16852817 is a wasteful number, since it uses less digits than its factorization.

16852817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154722.

The product of its digits is 26880, while the sum is 38.

The square root of 16852817 is about 4105.2182645993. The cubic root of 16852817 is about 256.3839504314.

The spelling of 16852817 in words is "sixteen million, eight hundred fifty-two thousand, eight hundred seventeen".