16049447 has 4 divisors (see below), whose sum is σ = 16086120. Its totient is φ = 16012776.

The previous prime is 16049443. The next prime is 16049477. The reversal of 16049447 is 74494061.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16049447 - 2² = 16049443 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 (16049443) 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, 17672 + ... + 18557.

It is an arithmetic number, because the mean of its divisors is an integer number (4021530).

Almost surely, 2^16049447 is an apocalyptic number.

16049447 is a deficient number, since it is larger than the sum of its proper divisors (36673).

16049447 is an equidigital number, since it uses as much as digits as its factorization.

16049447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36672.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 16049447 is about 4006.1761069628. The cubic root of 16049447 is about 252.2435235154.

The spelling of 16049447 in words is "sixteen million, forty-nine thousand, four hundred forty-seven".