16813268 has 12 divisors (see below), whose sum is σ = 29715252. Its totient is φ = 8323200.

The previous prime is 16813249. The next prime is 16813283. The reversal of 16813268 is 86231861.

It can be written as a sum of positive squares in 2 ways, for example, as 16630084 + 183184 = 4078^2 + 428^2 .

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, 20405 + ... + 21212.

It is an arithmetic number, because the mean of its divisors is an integer number (2476271).

Almost surely, 2^16813268 is an apocalyptic number.

It is an amenable number.

16813268 is a deficient number, since it is larger than the sum of its proper divisors (12901984).

16813268 is a wasteful number, since it uses less digits than its factorization.

16813268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41722 (or 41720 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 16813268 is about 4100.3985172176. The cubic root of 16813268 is about 256.1832387651.

The spelling of 16813268 in words is "sixteen million, eight hundred thirteen thousand, two hundred sixty-eight".