16798266 has 40 divisors (see below), whose sum is σ = 38064180. Its totient is φ = 5536512.

The previous prime is 16798217. The next prime is 16798267. The reversal of 16798266 is 66289761.

It can be written as a sum of positive squares in 2 ways, for example, as 16769025 + 29241 = 4095^2 + 171^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16798267) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15180 + ... + 16248.

Almost surely, 2^16798266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16798266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19032090).

16798266 is an abundant number, since it is smaller than the sum of its proper divisors (21265914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16798266 is a wasteful number, since it uses less digits than its factorization.

16798266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180 (or 1171 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 16798266 is about 4098.5687745846. The cubic root of 16798266 is about 256.1070210901.

The spelling of 16798266 in words is "sixteen million, seven hundred ninety-eight thousand, two hundred sixty-six".