16808245 has 8 divisors (see below), whose sum is σ = 20500920. Its totient is φ = 13225920.

The previous prime is 16808221. The next prime is 16808269. The reversal of 16808245 is 54280861.

It is an interprime number because it is at equal distance from previous prime (16808221) and next prime (16808269).

It can be written as a sum of positive squares in 4 ways, for example, as 736164 + 16072081 = 858^2 + 4009^2 .

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

It is not a de Polignac number, because 16808245 - 2⁵ = 16808213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16808245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27250 + ... + 27859.

It is an arithmetic number, because the mean of its divisors is an integer number (2562615).

Almost surely, 2^16808245 is an apocalyptic number.

It is an amenable number.

16808245 is a deficient number, since it is larger than the sum of its proper divisors (3692675).

16808245 is an equidigital number, since it uses as much as digits as its factorization.

16808245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55175.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 16808245 is about 4099.7859700233. The cubic root of 16808245 is about 256.1577244595.

The spelling of 16808245 in words is "sixteen million, eight hundred eight thousand, two hundred forty-five".