16530260 has 24 divisors (see below), whose sum is σ = 34790280. Its totient is φ = 6597504.

The previous prime is 16530259. The next prime is 16530271. The reversal of 16530260 is 6203561.

It can be written as a sum of positive squares in 4 ways, for example, as 4682896 + 11847364 = 2164^2 + 3442^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16082 + ... + 17078.

It is an arithmetic number, because the mean of its divisors is an integer number (1449595).

Almost surely, 2^16530260 is an apocalyptic number.

16530260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16530260 is an abundant number, since it is smaller than the sum of its proper divisors (18260020).

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

16530260 is a wasteful number, since it uses less digits than its factorization.

16530260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 16530260 is about 4065.7422446584. The cubic root of 16530260 is about 254.7377028641.

The spelling of 16530260 in words is "sixteen million, five hundred thirty thousand, two hundred sixty".