16116433 has 4 divisors (see below), whose sum is σ = 16188928. Its totient is φ = 16043940.

The previous prime is 16116407. The next prime is 16116439. The reversal of 16116433 is 33461161.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33461161 = 79 ⋅423559.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16116433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16116398 and 16116407.

It is not an unprimeable number, because it can be changed into a prime (16116439) 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, 35913 + ... + 36358.

It is an arithmetic number, because the mean of its divisors is an integer number (4047232).

Almost surely, 2^16116433 is an apocalyptic number.

It is an amenable number.

16116433 is a deficient number, since it is larger than the sum of its proper divisors (72495).

16116433 is an equidigital number, since it uses as much as digits as its factorization.

16116433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72494.

The product of its digits is 1296, while the sum is 25.

The square root of 16116433 is about 4014.5277430851. The cubic root of 16116433 is about 252.5939682276.

Adding to 16116433 its reverse (33461161), we get a palindrome (49577594).

The spelling of 16116433 in words is "sixteen million, one hundred sixteen thousand, four hundred thirty-three".