16791226 has 8 divisors (see below), whose sum is σ = 25599924. Its totient is φ = 8257920.

The previous prime is 16791221. The next prime is 16791227. The reversal of 16791226 is 62219761.

It can be written as a sum of positive squares in 2 ways, for example, as 16769025 + 22201 = 4095^2 + 149^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 16791191 and 16791200.

It is not an unprimeable number, because it can be changed into a prime (16791221) 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, 68695 + ... + 68938.

Almost surely, 2^16791226 is an apocalyptic number.

16791226 is a deficient number, since it is larger than the sum of its proper divisors (8808698).

16791226 is a wasteful number, since it uses less digits than its factorization.

16791226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137696.

The product of its digits is 9072, while the sum is 34.

The square root of 16791226 is about 4097.7098481957. The cubic root of 16791226 is about 256.0712387190.

The spelling of 16791226 in words is "sixteen million, seven hundred ninety-one thousand, two hundred twenty-six".