16272565 has 16 divisors (see below), whose sum is σ = 19994688. Its totient is φ = 12710656.

The previous prime is 16272547. The next prime is 16272577. The reversal of 16272565 is 56527261.

It is a cyclic number.

It is not a de Polignac number, because 16272565 - 2⁷ = 16272437 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 16272565.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46722 + ... + 47068.

It is an arithmetic number, because the mean of its divisors is an integer number (1249668).

Almost surely, 2^16272565 is an apocalyptic number.

It is an amenable number.

16272565 is a deficient number, since it is larger than the sum of its proper divisors (3722123).

16272565 is a wasteful number, since it uses less digits than its factorization.

16272565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548.

The product of its digits is 25200, while the sum is 34.

The square root of 16272565 is about 4033.9267469799. The cubic root of 16272565 is about 253.4070374574.

It can be divided in two parts, 1627256 and 5, that added together give a palindrome (1627261).

The spelling of 16272565 in words is "sixteen million, two hundred seventy-two thousand, five hundred sixty-five".