16530552 has 24 divisors (see below), whose sum is σ = 44770440. Its totient is φ = 5510160.

The previous prime is 16530539. The next prime is 16530571. The reversal of 16530552 is 25503561.

16530552 is a `hidden beast` number, since 1 + 653 + 0 + 5 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114724 + ... + 114867.

It is an arithmetic number, because the mean of its divisors is an integer number (1865435).

Almost surely, 2^16530552 is an apocalyptic number.

16530552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16530552 is an abundant number, since it is smaller than the sum of its proper divisors (28239888).

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

16530552 is a wasteful number, since it uses less digits than its factorization.

16530552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229603 (or 229596 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 16530552 is about 4065.7781543021. The cubic root of 16530552 is about 254.7392027996.

The spelling of 16530552 in words is "sixteen million, five hundred thirty thousand, five hundred fifty-two".