16331424 has 48 divisors (see below), whose sum is σ = 45396288. Its totient is φ = 5123072.

The previous prime is 16331417. The next prime is 16331429. The reversal of 16331424 is 42413361.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 16331394 and 16331403.

It is not an unprimeable number, because it can be changed into a prime (16331429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3372 + ... + 6635.

It is an arithmetic number, because the mean of its divisors is an integer number (945756).

Almost surely, 2^16331424 is an apocalyptic number.

It is an amenable number.

16331424 is an abundant number, since it is smaller than the sum of its proper divisors (29064864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16331424 is a wasteful number, since it uses less digits than its factorization.

16331424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10037 (or 10029 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 16331424 is about 4041.2156586849. The cubic root of 16331424 is about 253.7122001174.

Adding to 16331424 its reverse (42413361), we get a palindrome (58744785).

The spelling of 16331424 in words is "sixteen million, three hundred thirty-one thousand, four hundred twenty-four".