16195216 has 10 divisors (see below), whose sum is σ = 31378262. Its totient is φ = 8097600.

The previous prime is 16195211. The next prime is 16195229. The reversal of 16195216 is 61259161.

It can be written as a sum of positive squares in only one way, i.e., 14745600 + 1449616 = 3840^2 + 1204^2 .

It is not an unprimeable number, because it can be changed into a prime (16195211) by changing a digit.

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 as a sum of consecutive naturals, namely, 506085 + ... + 506116.

Almost surely, 2^16195216 is an apocalyptic number.

16195216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16195216 is a deficient number, since it is larger than the sum of its proper divisors (15183046).

16195216 is a wasteful number, since it uses less digits than its factorization.

16195216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012209 (or 1012203 counting only the distinct ones).

The product of its digits is 3240, while the sum is 31.

The square root of 16195216 is about 4024.3280184398. The cubic root of 16195216 is about 253.0048898428.

The spelling of 16195216 in words is "sixteen million, one hundred ninety-five thousand, two hundred sixteen".