16006613 has 4 divisors (see below), whose sum is σ = 18293280. Its totient is φ = 13719948.

The previous prime is 16006609. The next prime is 16006631. The reversal of 16006613 is 31660061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16006613 - 2² = 16006609 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 (16006663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1143323 + ... + 1143336.

It is an arithmetic number, because the mean of its divisors is an integer number (4573320).

Almost surely, 2^16006613 is an apocalyptic number.

It is an amenable number.

16006613 is a deficient number, since it is larger than the sum of its proper divisors (2286667).

16006613 is an equidigital number, since it uses as much as digits as its factorization.

16006613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286666.

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

The square root of 16006613 is about 4000.8265396040. The cubic root of 16006613 is about 252.0189212718.

Adding to 16006613 its reverse (31660061), we get a palindrome (47666674).

The spelling of 16006613 in words is "sixteen million, six thousand, six hundred thirteen".