16994179 has 4 divisors (see below), whose sum is σ = 17022784. Its totient is φ = 16965576.

The previous prime is 16994177. The next prime is 16994191. The reversal of 16994179 is 97149961.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16994179 - 2¹ = 16994177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16994177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13392 + ... + 14605.

It is an arithmetic number, because the mean of its divisors is an integer number (4255696).

Almost surely, 2^16994179 is an apocalyptic number.

16994179 is a deficient number, since it is larger than the sum of its proper divisors (28605).

16994179 is an equidigital number, since it uses as much as digits as its factorization.

16994179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28604.

The product of its digits is 122472, while the sum is 46.

The square root of 16994179 is about 4122.3996652435. The cubic root of 16994179 is about 257.0988078133.

The spelling of 16994179 in words is "sixteen million, nine hundred ninety-four thousand, one hundred seventy-nine".