16552849 has 8 divisors (see below), whose sum is σ = 17689320. Its totient is φ = 15434496.

The previous prime is 16552841. The next prime is 16552859. The reversal of 16552849 is 94825561.

It can be written as a sum of positive squares in 4 ways, for example, as 4000000 + 12552849 = 2000^2 + 3543^2 .

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 16552849 - 2³ = 16552841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16552841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2614 + ... + 6319.

It is an arithmetic number, because the mean of its divisors is an integer number (2211165).

Almost surely, 2^16552849 is an apocalyptic number.

It is an amenable number.

16552849 is a deficient number, since it is larger than the sum of its proper divisors (1136471).

16552849 is a wasteful number, since it uses less digits than its factorization.

16552849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9059.

The product of its digits is 86400, while the sum is 40.

The square root of 16552849 is about 4068.5192638109. The cubic root of 16552849 is about 254.8536851261.

The spelling of 16552849 in words is "sixteen million, five hundred fifty-two thousand, eight hundred forty-nine".