16611313 has 8 divisors (see below), whose sum is σ = 17661888. Its totient is φ = 15588144.

The previous prime is 16611311. The next prime is 16611341. The reversal of 16611313 is 31311661.

It is a happy number.

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 16611313 - 2¹ = 16611311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16611311) 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, 5595 + ... + 8032.

It is an arithmetic number, because the mean of its divisors is an integer number (2207736).

Almost surely, 2^16611313 is an apocalyptic number.

It is an amenable number.

16611313 is a deficient number, since it is larger than the sum of its proper divisors (1050575).

16611313 is a wasteful number, since it uses less digits than its factorization.

16611313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13703.

The product of its digits is 324, while the sum is 22.

The square root of 16611313 is about 4075.6978543557. The cubic root of 16611313 is about 255.1533769072.

Adding to 16611313 its reverse (31311661), we get a palindrome (47922974).

The spelling of 16611313 in words is "sixteen million, six hundred eleven thousand, three hundred thirteen".