16065530 has 16 divisors (see below), whose sum is σ = 31142664. Its totient is φ = 5931840.

The previous prime is 16065529. The next prime is 16065541. The reversal of 16065530 is 3556061.

It can be written as a sum of positive squares in 4 ways, for example, as 10067929 + 5997601 = 3173^2 + 2449^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16065530.

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, 61661 + ... + 61920.

Almost surely, 2^16065530 is an apocalyptic number.

16065530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16065530 is a deficient number, since it is larger than the sum of its proper divisors (15077134).

16065530 is a wasteful number, since it uses less digits than its factorization.

16065530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123601.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 16065530 is about 4008.1828800592. The cubic root of 16065530 is about 252.3277523414.

The spelling of 16065530 in words is "sixteen million, sixty-five thousand, five hundred thirty".