16811794 has 8 divisors (see below), whose sum is σ = 25363980. Its totient is φ = 8357136.

The previous prime is 16811771. The next prime is 16811797. The reversal of 16811794 is 49711861.

It can be written as a sum of positive squares in 2 ways, for example, as 15108769 + 1703025 = 3887^2 + 1305^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16811797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23949 + ... + 24640.

Almost surely, 2^16811794 is an apocalyptic number.

16811794 is a deficient number, since it is larger than the sum of its proper divisors (8552186).

16811794 is a wasteful number, since it uses less digits than its factorization.

16811794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48764.

The product of its digits is 12096, while the sum is 37.

The square root of 16811794 is about 4100.2187746509. The cubic root of 16811794 is about 256.1757521157.

The spelling of 16811794 in words is "sixteen million, eight hundred eleven thousand, seven hundred ninety-four".