16530052 has 108 divisors (see below), whose sum is σ = 40118652. Its totient is φ = 5913600.

The previous prime is 16530049. The next prime is 16530067. The reversal of 16530052 is 25003561.

It is a happy number.

16530052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6071296 + 10458756 = 2464^2 + 3234^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 403152 + ... + 403192.

It is an arithmetic number, because the mean of its divisors is an integer number (371469).

Almost surely, 2^16530052 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 16530052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20059326).

16530052 is an abundant number, since it is smaller than the sum of its proper divisors (23588600).

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

16530052 is a wasteful number, since it uses less digits than its factorization.

16530052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 16530052 is about 4065.7166649928. The cubic root of 16530052 is about 254.7366344061.

The spelling of 16530052 in words is "sixteen million, five hundred thirty thousand, fifty-two".