16113718 has 4 divisors (see below), whose sum is σ = 24170580. Its totient is φ = 8056858.

The previous prime is 16113677. The next prime is 16113719. The reversal of 16113718 is 81731161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81731161 = 271 ⋅301591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16113719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4028428 + ... + 4028431.

It is an arithmetic number, because the mean of its divisors is an integer number (6042645).

Almost surely, 2^16113718 is an apocalyptic number.

16113718 is a deficient number, since it is larger than the sum of its proper divisors (8056862).

16113718 is an equidigital number, since it uses as much as digits as its factorization.

16113718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8056861.

The product of its digits is 1008, while the sum is 28.

The square root of 16113718 is about 4014.1895819704. The cubic root of 16113718 is about 252.5797833034.

Adding to 16113718 its reverse (81731161), we get a palindrome (97844879).

It can be divided in two parts, 1611 and 3718, that added together give a square (5329 = 73²).

The spelling of 16113718 in words is "sixteen million, one hundred thirteen thousand, seven hundred eighteen".