16751668 has 12 divisors (see below), whose sum is σ = 29344420. Its totient is φ = 8367552.

The previous prime is 16751663. The next prime is 16751671. The reversal of 16751668 is 86615761.

It can be written as a sum of positive squares in 2 ways, for example, as 1790244 + 14961424 = 1338^2 + 3868^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16751668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16751663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5818 + ... + 8206.

Almost surely, 2^16751668 is an apocalyptic number.

It is an amenable number.

16751668 is a deficient number, since it is larger than the sum of its proper divisors (12592752).

16751668 is a wasteful number, since it uses less digits than its factorization.

16751668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4146 (or 4144 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 16751668 is about 4092.8801594965. The cubic root of 16751668 is about 255.8699901379.

The spelling of 16751668 in words is "sixteen million, seven hundred fifty-one thousand, six hundred sixty-eight".