16552628 has 12 divisors (see below), whose sum is σ = 30671172. Its totient is φ = 7789440.

The previous prime is 16552619. The next prime is 16552651. The reversal of 16552628 is 82625561.

It can be written as a sum of positive squares in 2 ways, for example, as 13823524 + 2729104 = 3718^2 + 1652^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 121643 + ... + 121778.

It is an arithmetic number, because the mean of its divisors is an integer number (2555931).

Almost surely, 2^16552628 is an apocalyptic number.

It is an amenable number.

16552628 is a deficient number, since it is larger than the sum of its proper divisors (14118544).

16552628 is a wasteful number, since it uses less digits than its factorization.

16552628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243442 (or 243440 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 16552628 is about 4068.4921039619. The cubic root of 16552628 is about 254.8525509223.

The spelling of 16552628 in words is "sixteen million, five hundred fifty-two thousand, six hundred twenty-eight".