16553152 has 56 divisors (see below), whose sum is σ = 40965120. Its totient is φ = 6447360.

The previous prime is 16553149. The next prime is 16553179. The reversal of 16553152 is 25135561.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×16553152² = 548013682270208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 16553152.

It is an unprimeable number.

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, 3249 + ... + 6607.

It is an arithmetic number, because the mean of its divisors is an integer number (731520).

Almost surely, 2^16553152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16553152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20482560).

16553152 is an abundant number, since it is smaller than the sum of its proper divisors (24411968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16553152 is a wasteful number, since it uses less digits than its factorization.

16553152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389 (or 3379 counting only the distinct ones).

The product of its digits is 4500, while the sum is 28.

The square root of 16553152 is about 4068.5565007752. The cubic root of 16553152 is about 254.8552401494.

The spelling of 16553152 in words is "sixteen million, five hundred fifty-three thousand, one hundred fifty-two".