16994073 has 16 divisors (see below), whose sum is σ = 23429120. Its totient is φ = 10949904.

The previous prime is 16994071. The next prime is 16994077. The reversal of 16994073 is 37049961.

It is not a de Polignac number, because 16994073 - 2¹ = 16994071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16994071) 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 15 ways as a sum of consecutive naturals, for example, 12648 + ... + 13926.

It is an arithmetic number, because the mean of its divisors is an integer number (1464320).

Almost surely, 2^16994073 is an apocalyptic number.

It is an amenable number.

16994073 is a deficient number, since it is larger than the sum of its proper divisors (6435047).

16994073 is a wasteful number, since it uses less digits than its factorization.

16994073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 16994073 is about 4122.3868086340. The cubic root of 16994073 is about 257.0982732669.

The spelling of 16994073 in words is "sixteen million, nine hundred ninety-four thousand, seventy-three".