16065320 has 32 divisors (see below), whose sum is σ = 36351720. Its totient is φ = 6389760.

The previous prime is 16065319. The next prime is 16065349. The reversal of 16065320 is 2356061.

It can be written as a sum of positive squares in 4 ways, for example, as 10023556 + 6041764 = 3166^2 + 2458^2 .

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 7 ways as a sum of consecutive naturals, for example, 6680 + ... + 8760.

Almost surely, 2^16065320 is an apocalyptic number.

16065320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16065320 is an abundant number, since it is smaller than the sum of its proper divisors (20286400).

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

16065320 is a wasteful number, since it uses less digits than its factorization.

16065320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285 (or 2281 counting only the distinct ones).

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

The square root of 16065320 is about 4008.1566835642. The cubic root of 16065320 is about 252.3266529056.

The spelling of 16065320 in words is "sixteen million, sixty-five thousand, three hundred twenty".