16530366 has 16 divisors (see below), whose sum is σ = 33314688. Its totient is φ = 5467800.

The previous prime is 16530359. The next prime is 16530383. The reversal of 16530366 is 66303561.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9730 + ... + 11301.

It is an arithmetic number, because the mean of its divisors is an integer number (2082168).

Almost surely, 2^16530366 is an apocalyptic number.

16530366 is an abundant number, since it is smaller than the sum of its proper divisors (16784322).

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

16530366 is a wasteful number, since it uses less digits than its factorization.

16530366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21167.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 16530366 is about 4065.7552803876. The cubic root of 16530366 is about 254.7382473632.

The spelling of 16530366 in words is "sixteen million, five hundred thirty thousand, three hundred sixty-six".