16696224 has 36 divisors (see below), whose sum is σ = 47480706. Its totient is φ = 5565312.

The previous prime is 16696217. The next prime is 16696247. The reversal of 16696224 is 42269661.

It can be written as a sum of positive squares in only one way, i.e., 16160400 + 535824 = 4020^2 + 732^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 28699 + ... + 29274.

Almost surely, 2^16696224 is an apocalyptic number.

It is an amenable number.

16696224 is an abundant number, since it is smaller than the sum of its proper divisors (30784482).

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

16696224 is a wasteful number, since it uses less digits than its factorization.

16696224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57989 (or 57978 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 16696224 is about 4086.1013203297. The cubic root of 16696224 is about 255.5873887112.

The spelling of 16696224 in words is "sixteen million, six hundred ninety-six thousand, two hundred twenty-four".