16718849 has 16 divisors (see below), whose sum is σ = 19776000. Its totient is φ = 14126112.

The previous prime is 16718839. The next prime is 16718851. The reversal of 16718849 is 94881761.

16718849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16718849 - 2¹⁶ = 16653313 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16718809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26789 + ... + 27405.

It is an arithmetic number, because the mean of its divisors is an integer number (1236000).

Almost surely, 2^16718849 is an apocalyptic number.

It is an amenable number.

16718849 is a deficient number, since it is larger than the sum of its proper divisors (3057151).

16718849 is an frugal number, since it uses more digits than its factorization.

16718849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 703 counting only the distinct ones).

The product of its digits is 96768, while the sum is 44.

The square root of 16718849 is about 4088.8689145044. The cubic root of 16718849 is about 255.7027851547.

The spelling of 16718849 in words is "sixteen million, seven hundred eighteen thousand, eight hundred forty-nine".