16269745 has 4 divisors (see below), whose sum is σ = 19523700. Its totient is φ = 13015792.

The previous prime is 16269739. The next prime is 16269749. The reversal of 16269745 is 54796261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2961841 + 13307904 = 1721^2 + 3648^2 .

It is a cyclic number.

It is not a de Polignac number, because 16269745 - 2¹¹ = 16267697 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 16269698 and 16269707.

It is not an unprimeable number, because it can be changed into a prime (16269749) 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 3 ways as a sum of consecutive naturals, for example, 1626970 + ... + 1626979.

It is an arithmetic number, because the mean of its divisors is an integer number (4880925).

Almost surely, 2^16269745 is an apocalyptic number.

It is an amenable number.

16269745 is a deficient number, since it is larger than the sum of its proper divisors (3253955).

16269745 is an equidigital number, since it uses as much as digits as its factorization.

16269745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3253954.

The product of its digits is 90720, while the sum is 40.

The square root of 16269745 is about 4033.5771964845. The cubic root of 16269745 is about 253.3923983162.

The spelling of 16269745 in words is "sixteen million, two hundred sixty-nine thousand, seven hundred forty-five".