16396465 has 4 divisors (see below), whose sum is σ = 19675764. Its totient is φ = 13117168.

The previous prime is 16396463. The next prime is 16396469. The reversal of 16396465 is 56469361.

16396465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4809249 + 11587216 = 2193^2 + 3404^2 .

It is a cyclic number.

It is not a de Polignac number, because 16396465 - 2¹ = 16396463 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 Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16396463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1639642 + ... + 1639651.

It is an arithmetic number, because the mean of its divisors is an integer number (4918941).

Almost surely, 2^16396465 is an apocalyptic number.

It is an amenable number.

16396465 is a deficient number, since it is larger than the sum of its proper divisors (3279299).

16396465 is an equidigital number, since it uses as much as digits as its factorization.

16396465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3279298.

The product of its digits is 116640, while the sum is 40.

The square root of 16396465 is about 4049.2548697260. The cubic root of 16396465 is about 254.0485626451.

It can be divided in two parts, 16396 and 465, that added together give a palindrome (16861).

The spelling of 16396465 in words is "sixteen million, three hundred ninety-six thousand, four hundred sixty-five".