16450457 has 4 divisors (see below), whose sum is σ = 16496640. Its totient is φ = 16404276.

The previous prime is 16450433. The next prime is 16450481. The reversal of 16450457 is 75405461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75405461 = 379 ⋅198959.

It is an interprime number because it is at equal distance from previous prime (16450433) and next prime (16450481).

It is a cyclic number.

It is not a de Polignac number, because 16450457 - 2¹⁴ = 16434073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16450417) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 22553 + ... + 23270.

It is an arithmetic number, because the mean of its divisors is an integer number (4124160).

Almost surely, 2^16450457 is an apocalyptic number.

It is an amenable number.

16450457 is a deficient number, since it is larger than the sum of its proper divisors (46183).

16450457 is an equidigital number, since it uses as much as digits as its factorization.

16450457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46182.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 16450457 is about 4055.9162959805. The cubic root of 16450457 is about 254.3271097114.

The spelling of 16450457 in words is "sixteen million, four hundred fifty thousand, four hundred fifty-seven".