16239265 has 16 divisors (see below), whose sum is σ = 23240448. Its totient is φ = 10650816.

The previous prime is 16239241. The next prime is 16239269. The reversal of 16239265 is 56293261.

It is a cyclic number.

It is not a de Polignac number, because 16239265 - 2⁷ = 16239137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16239265.

It is not an unprimeable number, because it can be changed into a prime (16239269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9282 + ... + 10891.

It is an arithmetic number, because the mean of its divisors is an integer number (1452528).

Almost surely, 2^16239265 is an apocalyptic number.

It is an amenable number.

16239265 is a deficient number, since it is larger than the sum of its proper divisors (7001183).

16239265 is a wasteful number, since it uses less digits than its factorization.

16239265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20208.

The product of its digits is 19440, while the sum is 34.

The square root of 16239265 is about 4029.7971412963. The cubic root of 16239265 is about 253.2340629443.

The spelling of 16239265 in words is "sixteen million, two hundred thirty-nine thousand, two hundred sixty-five".