16994807 has 4 divisors (see below), whose sum is σ = 17008656. Its totient is φ = 16980960.

The previous prime is 16994801. The next prime is 16994827. The reversal of 16994807 is 70849961.

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 16994807 - 2¹⁰ = 16993783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16994801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4883 + ... + 7604.

It is an arithmetic number, because the mean of its divisors is an integer number (4252164).

Almost surely, 2^16994807 is an apocalyptic number.

16994807 is a deficient number, since it is larger than the sum of its proper divisors (13849).

16994807 is a wasteful number, since it uses less digits than its factorization.

16994807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13848.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 16994807 is about 4122.4758337679. The cubic root of 16994807 is about 257.1019747028.

The spelling of 16994807 in words is "sixteen million, nine hundred ninety-four thousand, eight hundred seven".