16066065 has 16 divisors (see below), whose sum is σ = 25779456. Its totient is φ = 8544000.

The previous prime is 16066051. The next prime is 16066067. The reversal of 16066065 is 56066061.

It is not a de Polignac number, because 16066065 - 2⁵ = 16066033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16066067) by changing a digit.

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, 4680 + ... + 7350.

It is an arithmetic number, because the mean of its divisors is an integer number (1611216).

Almost surely, 2^16066065 is an apocalyptic number.

16066065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16066065 is a deficient number, since it is larger than the sum of its proper divisors (9713391).

16066065 is a wasteful number, since it uses less digits than its factorization.

16066065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 16066065 is about 4008.2496179754. The cubic root of 16066065 is about 252.3305532418.

The spelling of 16066065 in words is "sixteen million, sixty-six thousand, sixty-five".