16164224 has 32 divisors (see below), whose sum is σ = 32387040. Its totient is φ = 8035840.

The previous prime is 16164217. The next prime is 16164233. The reversal of 16164224 is 42246161.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×16164224² = 522564275044352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16164193 and 16164202.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 37289 + ... + 37719.

It is an arithmetic number, because the mean of its divisors is an integer number (1012095).

Almost surely, 2^16164224 is an apocalyptic number.

It is an amenable number.

16164224 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

16164224 is an equidigital number, since it uses as much as digits as its factorization.

16164224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 726 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 16164224 is about 4020.4755937575. The cubic root of 16164224 is about 252.8433990545.

The spelling of 16164224 in words is "sixteen million, one hundred sixty-four thousand, two hundred twenty-four".