16626768 has 20 divisors (see below), whose sum is σ = 42952608. Its totient is φ = 5542240.

The previous prime is 16626739. The next prime is 16626781. The reversal of 16626768 is 86762661.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 173148 + ... + 173243.

Almost surely, 2^16626768 is an apocalyptic number.

It is an amenable number.

16626768 is an abundant number, since it is smaller than the sum of its proper divisors (26325840).

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

16626768 is a wasteful number, since it uses less digits than its factorization.

16626768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346402 (or 346396 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 16626768 is about 4077.5934078817. The cubic root of 16626768 is about 255.2324830984.

The spelling of 16626768 in words is "sixteen million, six hundred twenty-six thousand, seven hundred sixty-eight".