16065564 has 48 divisors (see below), whose sum is σ = 40750080. Its totient is φ = 4907520.

The previous prime is 16065559. The next prime is 16065571. The reversal of 16065564 is 46556061.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 5932 + ... + 8204.

It is an arithmetic number, because the mean of its divisors is an integer number (848960).

Almost surely, 2^16065564 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 16065564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20375040).

16065564 is an abundant number, since it is smaller than the sum of its proper divisors (24684516).

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

16065564 is a wasteful number, since it uses less digits than its factorization.

16065564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330 (or 2328 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 16065564 is about 4008.1871213804. The cubic root of 16065564 is about 252.3279303444.

The spelling of 16065564 in words is "sixteen million, sixty-five thousand, five hundred sixty-four".