16424505 has 32 divisors (see below), whose sum is σ = 29548800. Its totient is φ = 8654976.

The previous prime is 16424491. The next prime is 16424509. The reversal of 16424505 is 50542461.

It is not a de Polignac number, because 16424505 - 2⁷ = 16424377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (16424509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11332 + ... + 12698.

It is an arithmetic number, because the mean of its divisors is an integer number (923400).

Almost surely, 2^16424505 is an apocalyptic number.

16424505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16424505 is a deficient number, since it is larger than the sum of its proper divisors (13124295).

16424505 is a wasteful number, since it uses less digits than its factorization.

16424505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470 (or 1464 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 16424505 is about 4052.7157561319. The cubic root of 16424505 is about 254.1932984128.

Adding to 16424505 its reverse (50542461), we get a palindrome (66966966).

The spelling of 16424505 in words is "sixteen million, four hundred twenty-four thousand, five hundred five".