16320458 has 16 divisors (see below), whose sum is σ = 30521664. Its totient is φ = 6358560.

The previous prime is 16320457. The next prime is 16320467. The reversal of 16320458 is 85402361.

It is a self number, because there is not a number n which added to its sum of digits gives 16320458.

It is not an unprimeable number, because it can be changed into a prime (16320457) 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 7 ways as a sum of consecutive naturals, for example, 52835 + ... + 53142.

It is an arithmetic number, because the mean of its divisors is an integer number (1907604).

Almost surely, 2^16320458 is an apocalyptic number.

16320458 is a deficient number, since it is larger than the sum of its proper divisors (14201206).

16320458 is a wasteful number, since it uses less digits than its factorization.

16320458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105997.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 16320458 is about 4039.8586608940. The cubic root of 16320458 is about 253.6554010095.

The spelling of 16320458 in words is "sixteen million, three hundred twenty thousand, four hundred fifty-eight".