16118428 has 12 divisors (see below), whose sum is σ = 28236600. Its totient is φ = 8050832.

The previous prime is 16118407. The next prime is 16118429. The reversal of 16118428 is 82481161.

It is a self number, because there is not a number n which added to its sum of digits gives 16118428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16118429) 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, 4623 + ... + 7321.

It is an arithmetic number, because the mean of its divisors is an integer number (2353050).

Almost surely, 2^16118428 is an apocalyptic number.

It is an amenable number.

16118428 is a deficient number, since it is larger than the sum of its proper divisors (12118172).

16118428 is a wasteful number, since it uses less digits than its factorization.

16118428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4196 (or 4194 counting only the distinct ones).

The product of its digits is 3072, while the sum is 31.

The square root of 16118428 is about 4014.7762079598. The cubic root of 16118428 is about 252.6043903885.

Adding to 16118428 its reverse (82481161), we get a palindrome (98599589).

The spelling of 16118428 in words is "sixteen million, one hundred eighteen thousand, four hundred twenty-eight".