16552069 has 8 divisors (see below), whose sum is σ = 17541720. Its totient is φ = 15590400.

The previous prime is 16552057. The next prime is 16552079. The reversal of 16552069 is 96025561.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 471969 + 16080100 = 687^2 + 4010^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16552069 - 2¹⁵ = 16519301 is a prime.

It is a super-2 number, since 2×16552069² = 547941976361522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16552079) 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, 5772 + ... + 8149.

It is an arithmetic number, because the mean of its divisors is an integer number (2192715).

Almost surely, 2^16552069 is an apocalyptic number.

It is an amenable number.

16552069 is a deficient number, since it is larger than the sum of its proper divisors (989651).

16552069 is a wasteful number, since it uses less digits than its factorization.

16552069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13991.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 16552069 is about 4068.4234047110. The cubic root of 16552069 is about 254.8496820087.

The spelling of 16552069 in words is "sixteen million, five hundred fifty-two thousand, sixty-nine".