16457465 has 4 divisors (see below), whose sum is σ = 19748964. Its totient is φ = 13165968.

The previous prime is 16457459. The next prime is 16457501. The reversal of 16457465 is 56475461.

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 11916304 + 4541161 = 3452^2 + 2131^2 .

It is a cyclic number.

It is not a de Polignac number, because 16457465 - 2⁴ = 16457449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645742 + ... + 1645751.

It is an arithmetic number, because the mean of its divisors is an integer number (4937241).

Almost surely, 2^16457465 is an apocalyptic number.

It is an amenable number.

16457465 is a deficient number, since it is larger than the sum of its proper divisors (3291499).

16457465 is an equidigital number, since it uses as much as digits as its factorization.

16457465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291498.

The product of its digits is 100800, while the sum is 38.

The square root of 16457465 is about 4056.7801271452. The cubic root of 16457465 is about 254.3632195765.

The spelling of 16457465 in words is "sixteen million, four hundred fifty-seven thousand, four hundred sixty-five".