16116305 has 4 divisors (see below), whose sum is σ = 19339572. Its totient is φ = 12893040.

The previous prime is 16116251. The next prime is 16116329. The reversal of 16116305 is 50361161.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1615441 + 14500864 = 1271^2 + 3808^2 .

It is not a de Polignac number, because 16116305 - 2⁶ = 16116241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1611626 + ... + 1611635.

It is an arithmetic number, because the mean of its divisors is an integer number (4834893).

Almost surely, 2^16116305 is an apocalyptic number.

It is an amenable number.

16116305 is a deficient number, since it is larger than the sum of its proper divisors (3223267).

16116305 is an equidigital number, since it uses as much as digits as its factorization.

16116305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3223266.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 16116305 is about 4014.5118009541. The cubic root of 16116305 is about 252.5932995082.

Adding to 16116305 its reverse (50361161), we get a palindrome (66477466).

The spelling of 16116305 in words is "sixteen million, one hundred sixteen thousand, three hundred five".