16608553 has 8 divisors (see below), whose sum is σ = 18664128. Its totient is φ = 14664144.

The previous prime is 16608547. The next prime is 16608569. The reversal of 16608553 is 35580661.

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 16608553 - 2⁵ = 16608521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16608593) 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, 27475 + ... + 28072.

It is an arithmetic number, because the mean of its divisors is an integer number (2333016).

Almost surely, 2^16608553 is an apocalyptic number.

16608553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16608553 is a deficient number, since it is larger than the sum of its proper divisors (2055575).

16608553 is a wasteful number, since it uses less digits than its factorization.

16608553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55583.

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

The square root of 16608553 is about 4075.3592479682. The cubic root of 16608553 is about 255.1392447246.

It can be divided in two parts, 16608 and 553, that added together give a square (17161 = 131²).

The spelling of 16608553 in words is "sixteen million, six hundred eight thousand, five hundred fifty-three".