16554049 has 8 divisors (see below), whose sum is σ = 16770600. Its totient is φ = 16339200.

The previous prime is 16554019. The next prime is 16554053. The reversal of 16554049 is 94045561.

It can be written as a sum of positive squares in 4 ways, for example, as 753424 + 15800625 = 868^2 + 3975^2 .

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 16554049 - 2⁵ = 16554017 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16554019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35679 + ... + 36139.

It is an arithmetic number, because the mean of its divisors is an integer number (2096325).

Almost surely, 2^16554049 is an apocalyptic number.

It is an amenable number.

16554049 is a deficient number, since it is larger than the sum of its proper divisors (216551).

16554049 is a wasteful number, since it uses less digits than its factorization.

16554049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 16554049 is about 4068.6667349391. Note that the first 3 decimals coincide. The cubic root of 16554049 is about 254.8598435228.

The spelling of 16554049 in words is "sixteen million, five hundred fifty-four thousand, forty-nine".