16416049 has 8 divisors (see below), whose sum is σ = 18157160. Its totient is φ = 14743296.

The previous prime is 16416013. The next prime is 16416073. The reversal of 16416049 is 94061461.

It can be written as a sum of positive squares in 4 ways, for example, as 734449 + 15681600 = 857^2 + 3960^2 .

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 16416049 - 2¹³ = 16407857 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 16416049.

It is not an unprimeable number, because it can be changed into a prime (16416079) 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, 16584 + ... + 17545.

It is an arithmetic number, because the mean of its divisors is an integer number (2269645).

Almost surely, 2^16416049 is an apocalyptic number.

It is an amenable number.

16416049 is a deficient number, since it is larger than the sum of its proper divisors (1741111).

16416049 is a wasteful number, since it uses less digits than its factorization.

16416049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34179.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 16416049 is about 4051.6723707625. The cubic root of 16416049 is about 254.1496679246.

The spelling of 16416049 in words is "sixteen million, four hundred sixteen thousand, forty-nine".