16118449 has 8 divisors (see below), whose sum is σ = 16396160. Its totient is φ = 15842736.

The previous prime is 16118447. The next prime is 16118477. The reversal of 16118449 is 94481161.

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 16118449 - 2¹ = 16118447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16118447) 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, 29194 + ... + 29740.

It is an arithmetic number, because the mean of its divisors is an integer number (2049520).

Almost surely, 2^16118449 is an apocalyptic number.

It is an amenable number.

16118449 is a deficient number, since it is larger than the sum of its proper divisors (277711).

16118449 is an equidigital number, since it uses as much as digits as its factorization.

16118449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999.

The product of its digits is 6912, while the sum is 34.

The square root of 16118449 is about 4014.7788232977. The cubic root of 16118449 is about 252.6045000909.

The spelling of 16118449 in words is "sixteen million, one hundred eighteen thousand, four hundred forty-nine".