16047049 has 4 divisors (see below), whose sum is σ = 16055236. Its totient is φ = 16038864.

The previous prime is 16047047. The next prime is 16047061. The reversal of 16047049 is 94074061.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94074061 = 881 ⋅106781.

It can be written as a sum of positive squares in 2 ways, for example, as 12027024 + 4020025 = 3468^2 + 2005^2 .

It is a cyclic number.

It is not a de Polignac number, because 16047049 - 2¹ = 16047047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16047049.

It is not an unprimeable number, because it can be changed into a prime (16047047) 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, 787 + ... + 5719.

It is an arithmetic number, because the mean of its divisors is an integer number (4013809).

Almost surely, 2^16047049 is an apocalyptic number.

It is an amenable number.

16047049 is a deficient number, since it is larger than the sum of its proper divisors (8187).

16047049 is an equidigital number, since it uses as much as digits as its factorization.

16047049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8186.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 16047049 is about 4005.8768078911. The cubic root of 16047049 is about 252.2309600483.

The spelling of 16047049 in words is "sixteen million, forty-seven thousand, forty-nine".