16606313 has 4 divisors (see below), whose sum is σ = 16705920. Its totient is φ = 16506708.

The previous prime is 16606307. The next prime is 16606321. The reversal of 16606313 is 31360661.

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 a de Polignac number, because none of the positive numbers 2^k-16606313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16606363) 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, 49553 + ... + 49886.

It is an arithmetic number, because the mean of its divisors is an integer number (4176480).

Almost surely, 2^16606313 is an apocalyptic number.

It is an amenable number.

16606313 is a deficient number, since it is larger than the sum of its proper divisors (99607).

16606313 is an equidigital number, since it uses as much as digits as its factorization.

16606313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99606.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 16606313 is about 4075.0844163035. The cubic root of 16606313 is about 255.1277739761.

Adding to 16606313 its reverse (31360661), we get a palindrome (47966974).

The spelling of 16606313 in words is "sixteen million, six hundred six thousand, three hundred thirteen".