16450005 has 32 divisors (see below), whose sum is σ = 30925440. Its totient is φ = 7361280.

The previous prime is 16450003. The next prime is 16450043. The reversal of 16450005 is 50005461.

It is a happy number.

It is not a de Polignac number, because 16450005 - 2¹ = 16450003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16450003) 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 31 ways as a sum of consecutive naturals, for example, 1690 + ... + 5979.

It is an arithmetic number, because the mean of its divisors is an integer number (966420).

Almost surely, 2^16450005 is an apocalyptic number.

16450005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16450005 is a deficient number, since it is larger than the sum of its proper divisors (14475435).

16450005 is a wasteful number, since it uses less digits than its factorization.

16450005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7701.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 16450005 is about 4055.8605745267. The cubic root of 16450005 is about 254.3247803555.

Adding to 16450005 its reverse (50005461), we get a palindrome (66455466).

The spelling of 16450005 in words is "sixteen million, four hundred fifty thousand, five".