16940606 has 4 divisors (see below), whose sum is σ = 25410912. Its totient is φ = 8470302.

The previous prime is 16940603. The next prime is 16940617. The reversal of 16940606 is 60604961.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16940603) 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 as a sum of consecutive naturals, namely, 4235150 + ... + 4235153.

It is an arithmetic number, because the mean of its divisors is an integer number (6352728).

Almost surely, 2^16940606 is an apocalyptic number.

16940606 is a deficient number, since it is larger than the sum of its proper divisors (8470306).

16940606 is an equidigital number, since it uses as much as digits as its factorization.

16940606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8470305.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 16940606 is about 4115.8967431169. The cubic root of 16940606 is about 256.8283612242.

The spelling of 16940606 in words is "sixteen million, nine hundred forty thousand, six hundred six".