16791449 has 8 divisors (see below), whose sum is σ = 17658432. Its totient is φ = 15935920.

The previous prime is 16791443. The next prime is 16791469. The reversal of 16791449 is 94419761.

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 16791449 - 2⁴ = 16791433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16791443) 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, 227 + ... + 5799.

It is an arithmetic number, because the mean of its divisors is an integer number (2207304).

Almost surely, 2^16791449 is an apocalyptic number.

It is an amenable number.

16791449 is a deficient number, since it is larger than the sum of its proper divisors (866983).

16791449 is a wasteful number, since it uses less digits than its factorization.

16791449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5727.

The product of its digits is 54432, while the sum is 41.

The square root of 16791449 is about 4097.7370584263. The cubic root of 16791449 is about 256.0723723197.

The spelling of 16791449 in words is "sixteen million, seven hundred ninety-one thousand, four hundred forty-nine".