16956872 has 8 divisors (see below), whose sum is σ = 31794150. Its totient is φ = 8478432.

The previous prime is 16956869. The next prime is 16956883. The reversal of 16956872 is 27865961.

It can be written as a sum of positive squares in only one way, i.e., 16370116 + 586756 = 4046^2 + 766^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 1059797 + ... + 1059812.

Almost surely, 2^16956872 is an apocalyptic number.

It is an amenable number.

16956872 is a deficient number, since it is larger than the sum of its proper divisors (14837278).

16956872 is a wasteful number, since it uses less digits than its factorization.

16956872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119615 (or 2119611 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 16956872 is about 4117.8722661103. The cubic root of 16956872 is about 256.9105352576.

The spelling of 16956872 in words is "sixteen million, nine hundred fifty-six thousand, eight hundred seventy-two".