16066013 has 8 divisors (see below), whose sum is σ = 16422840. Its totient is φ = 15713280.

The previous prime is 16066009. The next prime is 16066019. The reversal of 16066013 is 31066061.

It can be written as a sum of positive squares in 4 ways, for example, as 487204 + 15578809 = 698^2 + 3947^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 16066013 - 2² = 16066009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16066013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16066019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7703 + ... + 9563.

It is an arithmetic number, because the mean of its divisors is an integer number (2052855).

Almost surely, 2^16066013 is an apocalyptic number.

It is an amenable number.

16066013 is a deficient number, since it is larger than the sum of its proper divisors (356827).

16066013 is an equidigital number, since it uses as much as digits as its factorization.

16066013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 16066013 is about 4008.2431313482. The cubic root of 16066013 is about 252.3302810075.

The spelling of 16066013 in words is "sixteen million, sixty-six thousand, thirteen".